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24-hour wheel
A/N converter
aaron's rod
ability
abnormal
abrasive
ABS
abscissa
absolute
absorption
abstractor
acceleration
access time
accessory
accreditation
accumulator
accuracy
accurate
accurately
Accutron
acetate
acetone
achievement
achromatic
acid
acidify
acidimeter
acoustic information
acoustic signal
acrylonitrile
activator
active display
active element
actuator
acute
adapt
adapter
addendum (addenda)
addition
additional device
adhesion
adhesive
adj
adjust
adjusted
adjusting-mark
adorn
adsorption
advertising
aerial
affix
affixing
agate
age
ageing
agglomerant
agglomerate
aging
AGS
aim
air
air-gap
air-zinc battery
Airy (Sir George Biddell)
alarm
alarm intensity control
alarm set indicator
alarm signal check
ALC 2000®
alcohol
Alexandre (Dom Jacques)
algorithm
alidade
alkaline battery
all-or-nothing piece
allergy
allotropic
allotropy
alloy
alloy with memory of shape
alpaca
alpha-numeric display
alphabet
alterable
alternating
alternator
altimeter
altitude
aluchromy
alumina
aluminium (aluminum)
amalgam
amalgamate
ambient
ammeter
ammonia
ammoniac
ammonium bifluoride
amorphous
amorphous silicon
amorphous-carbon diamond
Ampère (André-Marie)
ampere-hour
amplifier
amplify
amplitude
amplitudogram
amplitudograph
analog circuit synthesizer
analogue display
Andrade (Jules)
aneroid
angle
angström
angular
angular acceleration
anibal
anion
anisochronism
anisotropic
anisotropy
annals
anneal
annealing
annual
annual rate
anode
anodic
anodic oxidation
anodization
anodize
anodizing
anomaly
antenna
anteriority
anti-
anti-magnetic
anti-magnetism
anti-meltable memory
anti-reflection
anti-reflection treatment
anticorodal
antifriction
antimagnetic
antimagnetic watch
antimony
antioxidant
antique
anvil
aperiodic
aperture
apex
apparatus (apparatus, apparatuses, pieces of apparatus)
application
applique
apply
apprentice
apprenticeship
approach
arbor
arbor-Setting
arc
arched
Archimedes
areometer
argand lamp
argentan
argentiferous
argon
arkansas stone
arm
armature
armilla (armillae)
armillary
Arnold (John)
array
artificial
artificial intelligence
artificial sweat
artisan
«artisanal, e»
«artisanat»
artist
asbestos
ash
asic
assemble
assembler
assembling
assembly
association
assortment
AST-CSEMEX®
astatic
asthmometer
astrarium
astrodome
astrolabe
Astrolon
astronomer
astronomical almanac
astronomy
ASUAG
asynchronous
AT cut
AT quartz
atmosphere
atmospheric
atom
atomic
atomic clock
atomic resonator
Atomic Scale Tribometer
atomizer
attach
attached
attachment
attack
attraction
audit
auricyanide
auriferous
aurocyanide
austenite
austenitic
autogenous
automatic
automatic lathe
automatic setter
automatic winding module
automatically
automaticity
automation
«automatique»
automatization
automatize
automaton (automata)
autonomy
auxiliary
aventurine
average
axial
axis (axes)
axle
back
back cover
back off
backing off
backlash
backward
bad workmanship
bag
baguette
bainitic
bainitic hardening
bakelite
balance
balance-cock
Balance-O-Matic
Balance-O-Test
balance-sheet
balance-spring
balance-spring stud
balance-spring tester
ball
baluster
banana plug
band
banking
bar
bar brooch
barbare
barie
barometer
barometric
barothermograph
barrage
barrel
barrette
«barrette»
base
basic
basket
bassine
bastard
batch
batch processing
bath
battery
battery bridle
battery connection plate
battery hatch
battery housing
battery leak
battery slot
battery support
battery-cover
Bautte (Jean-François)
bauxite
bayonet
be fast
be flush
be idle
be slow
be unemployed
beak
beam
bearing
bearing (-block)
bearingblock
beat
beating
bed
bell
bell-mouth
bell-mouthed
bellows
belt
belttightener
bench
bench-pad
bend (bent, bent)
bending
Benoit (Achille-Humbert)
bent
benzine
benzol
Berner (Paul)
Bernoulli (Daniel)
Berthoud (Ferdinand)
Berthoud (Pierre-Louis)
beryllium
Bessel (Friedrich-Wilhelm)
Bessemer (Sir Henry)
Beta 21
bevel
beveled
beveling
bevelled
bevelling
bezel
bifilar
big
bimetallic
bimetallic attachment
binary
bind (bound, bound)
binding
binocular
binoculars
biocompatibility
biorhythm
bipolar
bipolar power
bird
bismuth
bissextile
bistable
bistable relay
bisulphide
bit
bite
bite (bit, bitten)
bite, mordant
black
black-lead
blackboard
blade
blank
blank-maker
blanked
blanking
blast-furnace
blende
blind in one eye
blister
block
block layout generator
blocked
blocking-lever
blom stud
blow
blowpipe
blue
blueprint
bluing
bluing-pan
blunt
blurb
BO
board
bobbin
body
boil out
boiling
boiling-out pan
bolt
bolt, slide
bolting
bonderization
Bonniksen (Bahne)
boost
borax
bore
bort
boruration
boss
boston
botch
botcher
bottle
bottom
Bouasse (Henri)
bow
box
boxwood
brace
brace.
bracket
brake
brake-lever
braking
brand
brass
brass-plating
brass-scratcher
braze
brazing
brazing-solder
breadth
break
break (broke, broken)
break (broke, broken) up
breaking
breguet
Breguet (Abraham-Louis)
bridge
brightness
brilliant
brinell
briquette
bristle
brittle
Brocot (Achille)
broken
bronze
bronzing
brooch
brown
browning
bruise
bruised
brush
brush discharge
brushed
brusher
brushing
buckle
Buckle
buckled
buckling
buff
buffer
buffer solution
buffing
bulb
bulge
bulk
bungle
bungler
bureau
burn (burned/burnt, burned/burnt)
burn (burned/burnt, burned/burnt) out
burner
burnisher
burnishing
burr
burst
burst (burst, burst)
bus
bush
bushing
butadiene styrene
butt
butting
button
button battery
buttonhole
butyrate
by dipping
Bürgi (Jost)
byte
cabinet
cabinet-maker
cabinotier
cabochon
CAD
CAD/CAM
cadcad
cadmium
cadmium-plating
cadrature
«cadraturier»
caesium
caesium clock
calamine
calendar
calendar module
calendar platform
caliber
caliber-maker
calibre
calibre-maker
caliper
calliper
calorie
calorization
calory
Calotest®
calotte
cam
camber
cambered
cambering
camera (cameræ)
campyloscope
cancelation
cancellation
candle
cane
cannon
cannon-pinion
cant
CAP
cap
capacitive key
capacity
capillarity
capillary
CAPM
capping
capsule
carat (karat)
carbide
carbon
carbon-deposit
carbonitriding
carborundum
carburettor
carburization
carburize
Cardano (Girolamo)
cardboard
carriage
carrier
carry
cartel
cartel clock
carton
cartouche
case
case (up)
case-finisher
case-fitter
case-harden
case-hardening
case-maker
case-opener
case-repairing tool
case-spring
cash
casing
casing (up)
cassolette
cast (cast, cast)
casting
casting by lost wax
CAT
catalyst
catalytic
catch
cathode
cathodic pulverization
cation
cavitation
cavity
cell
cellon
celluloid
cellulose
cellulose varnish
Celsius (Anders)
cement
cement gum
cementation
cementite
CEN
CENELEC
center
center-punch
centered
centering
centesimal degree
centi
centigrade
centimetre
central
central processing unit
centre
centre (center)
centre-punch
centred
centrifugal
centrifugal casting
centrifuge
centring
centripetal
century
ceramel
ceramic
ceramics
cermet
certificate
certificated
certification
cesium
cétéhor
CGS
«chablonnage»
«chablonneur»
«chablon»
chain
chain-guard
chainsmith
chalcedony
chalk
chamfer
chamfering
champlevé
channel of field effect transistor
Chapuis (Alfred)
charcoal
charge
charged
chariot
chart
chase
chase out
chaser
chasing
chasing-tool
chassis
chatelaine
check
check-spring
checkered pattern
cheek
chelating agent
chelation
chemical agent
chemical deposit
chemical etching
chemisorption
chenier
chequered pattern
«chevalière»
chevé
chevé-edging
chimaera
chime
chimera
chimney
chip
chisel
chiseler
chiseller
chlorine
chock
chock (up)
choice
choose (chose, chosen)
chromium
chromium-plate
chromium-plated
chromium-plating
Chronatome
Chronofiable®
chronograph
chronograph module
Chronographic
chronometer
chronometer-maker
chronometric
chronometric stability
chronometrical
chronometry
chronoscope
chuck
CIM
circle
circle, circumference
circuit
circuit architecture
circular graining
circular-grain
circular-grained
circular-grainer
clamp
clasp
class
classification
classify
claw
clean
clean out
cleaning
clearance
clearance ridge
cleat
cleavage
cleave (clove/cleft, cloven/cleft)
Clement (William)
clepsydra
click
climatic
climatic agent
clinker
clip
clock
clockmaker
clockmaking
clog
cloisonné
close
closed-circuit voltage
clot
CMOS
CNC
co-ordinate
coagulate
coarse
coat
coat with epilame
coating
coaxial
coaxially
COB
cobalt
cock
cock endstone
code
coding
coefficient
coercive
coherer
coil
coil circuit
coil core
coil former
coil support
coil-cover
coiling
coincide
coincidence
colcothar
cold
cold-work
cold-working
collar
collector
collet
colleter
collimator
colloid
colloidal
colophony
color
colorant
coloration
colored
coloring
colour
coloured
colouring
columbium
column
comb
combinative circuit
combo
command unit
commission
communications network
comparator
compare
comparison
compartment
compass
compensate
compensating
compensation
compensator
compiler
complete
complex circuit
complexing agent
complicated
complication
composite
«composite»
composition
computer
computer graphics
computer network
computer-aided
comtois
concave
concentric
concentrically
conceptor
condensation
condense
condensed
condenser
conductance
conductibility
conducting
conducting glue
conduction
conductive
conductive track
conductivity
conductor
cone
conglomerate
congress
conical
conicity
connect
connecting part of a battery
connecting-rod
connection
connector
conservation
constant
constantan
constateur
consumption
contact
contact strip
contact-clip
contact-piece
contactor
contactor wheel
contagious dermatitis
container
container watch
content
contest
continuous rotating motor
contour
contract
contraction
contrast
control
control model
convention
conventional
convergence
convergent
conversion
convert
convex
conveyor
cooling
copolymer
copper
copper-plate
copper-plating
copy
cord
core
corner
cornet
corporation
corporative
corpuscle
corpuscular
correct
corrected
correction
correctness
corrector
corrode
corrodent
corrosion
corrosive
corundum
cosine
cosmic
cost-price
Coster (Salomon)
costing
costly
cotangent
Coudrey (Julien)
coulomb
count
countdown
countdown timer
counter
counter-valuation
counteracting
counterfeit
counterpierce
counterpoise
counterpunch
countershaft
countersink
countersink (-sank, -sunk)
countersink (-sunk, -sunk)
countersinking
counterspring
counting
couple
coupled mode resonator
coupling
course
cover
CPU
crack
cracked
crackle
crackling
craft
craftsman
crank-handle
creeping
criterion (criteria)
cross
cross out
crossed
crossing
crossing-out file
crown
crown glass
crucible
crush
crushing
crushing-machine
crutch-stem
crystal
crystal glass
crystalline
crystallization
crystallize
crystallography
cuckoo
cup-bearing
cupellation
cuproberyllium
curb
Curie (Pierre)
current
current supply
curvature
curve
curved
curving
Cusin (Charles)
cut
cut (cut, cut)
cut (cut, cut) into
cut (cut, cut) out
cut away
cut out
cut-out
cutter
cutting
cutting edge
cuttings
CVD
cyanide
cyanoacrylate
cyanogen
cybernetics
cycle
cycloid
cycloidal
cyclotron
cylinder
cylindrical
daily
daily rate
damp
damper
damping
dart
Dasypodius (Conrad)
data bank
data base
data entry
data model
data transfer rate
data type
date
date module
date platform
datometer
day
DB
DCF77
dead memory
dead rinse
deal (dealt, dealt) in second-hand goods
dealer
«débris»
decade
decant
decantation
decanter
decanting
decarbonization
decarbonize
decarburization
decarburize
decennial
decennium
decenter
decentered
decentering
decentre
decentred
decentring
deci
decimal
declination
declining
decoder
decoding
decompose
decomposition
decorate
«décorateur, trice»
decoration
decorator
decrease
decreasing
decrement
deep
defect
define
definition
deflect
deflection
deformation
deformation energy
defossez (Léopold)
degasification
degrease
degreasing
degree
«dégrossisseur, euse»
deionize
Délirium
Delrin®
demagnetization
demagnetize
denatured
Denison (Edmund Beckett)
denomination
denominator
dense
densimeter
dent
Dent (Edward John)
dented
deoxidation
deoxidize
deoxidizer
deoxidizing
department
depassivate
depassivation
dephase
depolarization
depolarize
depolarizer
deposit
deposition
deposition in molten salts
deposition of solder
depositor
depth
Derham (William)
derust
derusting
descending
desiccation
desiccator
design
designer
designing
desk
detachable
detect
detecting
detection
detector
detent
detent-am
detent-pin
detergent
deteriorate
determination
determine
develop
development
deviation
device
dew
diablotine
diagram
dial
dial fastener
dial indicator
dial-printer
dial-train
diamagnetic
diamagnetism
diamantine
diameter
diamond
diamond polishing
diamond-cutter
diamond-film
diamond-like diamond
diamond-polish
diamond-powder
dichroic
dictionary
die
dielectric
Dietzschold (Kurt)
differential
diffuse
diffused
diffusion
digit
digital
digital display
digitize
dime
dimension
dimethyl-amino borane
diode
diopter
diploma
direct
direct-drive
direction
director
dirt
dirty
disc
discharge
discharged
disconnect
disconnecting-gear
discontinuous
discount
discover
disengage
disequilibrium
disintegration
disk
dismantle
dismantler
dismantling
display
display light
display module
disruptive
disruptive discharge
dissent
dissenting
dissidence
dissident
dissolution
dissolve
dissolvent
distance
distance between shoulders
distance of centers
distance of centres
distend
distil
distillation
distilled
distort
distorted
distribute
distribution
disturb
disturbance
disturbing
disulphide
Ditisheim (Paul)
divergent
divide
divided
diving
diving watch
division
division chain
divisor
DMAB
dog
dolomite
dome
domed
domestic clock
Dondi (Giacomo)
dope
dosimeter
double
doublepoly
douzième-gage
douzième-gauge
dovetail
down
downward
draft
dragging
drain
draughtsman (-men)
draw
draw (drew, drawn)
draw (drew, drawn) out
draw-plate
drawing
drawing-pen
drawn-out
dregs
dressing
drift
drill
drill-guide
drilling
drilling-machine
drive (drove, driven)
drive (drove, driven) in
drive (drove, driven) off
drive (drove, driven) out
driven
driving
drop
dropping
drum
dry
dry (up)
dry deposition
drying
DTCXO
Dubois (Pierre)
ductile
ductility
dull
dulled
dulling
dullness
dummy
duplex
duplex structure
durable
duralumin
duration
durometer
dust
dusting
dustproof
dustproof band
Dutertre (Jean-Baptiste)
dying
dynamic capacity
dynamic circuit
dynamics
dynamo
dynamometer
dyne
Dynotron
Earnshaw (Thomas)
earphone
earth
earth connector
east
eat (ate, eaten) into
ébauche
Ébauches SA
ebonite
ebony
ebullition
eccentric
eccentrically
eccentricity
edge
EEPROM
EEPROM memory
effect
efficiency
egg
«égrener»
«égrené»
eight-day clock
eject
ejector
elastic
elasticity
elastomer
elder
electric buzzer
electric characteristics checker
electric simulator
electric spot-welding machine
electric timekeeping instrument
electrical parameters
electrical spot-welding
electricity
electro-acoustic transducer
electroacoustics
electrochemical transducer
electrochromism
electrode
electrodeposit
electrodepositing
electrodynamics
electroerosion
electroforming
electrography
electroluminescence
electrolysis
electrolyte
electrolytic
electrolytic deposition
electromagnet
electromagnetic motor
electromechanical
electrometallurgy
electron
electron gun
electron-volt
electronic
electronic calendar
electronic module
electronic scanning microscope
electronic time-setting
electronic timekeeping instrument
electronic transmitting microscope
electronic unit
electronics
electrophoresis
electrophoresis deposition
electrophotography
electroplater
electroplating
electropolishing
electrostatic
electrostatic motor
electrotype block
element
elevation
elinvar
Ellicott (John)
ellipse
elliptical
elongation
embossing-die
embrace
emery
emission
emit
empirical
empiricism
employ
employee
employer
employment
empty
emulsion
enamel
enamel backing
enameler
enameling
enameller
enamelling
encapsulation
end
end of battery life
endless pinion screw
endstone
energy
energy sensing module
engage
engaging
engine-turn
engine-turner
engine-turning
engineer
engrave
engraver
engraving
enlarge
enlargement
enlarging
entice away
entry
envelope
EOL
ephemerid
epicycloid
epicycloidal
epilame
epilame-coating
epoxy
epoxy glue
epoxy resin
EPROM
EPROM memory
equal
equalize
equation
equator
equidistant
equilateral
equilibrium
equinox
equip
equipment
equipped
equivalent circuit
erasable memory
erg
errand-boy
error
escapement
escapement-fitter
escapement-maker
escapement-making
essence
estimate
«établissage»
«établisseur»
etch channel
ethernet
ethylene
evaporate
evaporation
even
evolute
exactly
examination
examine
excess
excitation level
execute
executive
exercise
exfoliation
exhibition
exhibitor
Exidel-MAC-1®
exit
expand
expansibility
expansible
expansion
expeditious
experience
experienced
experiment
expert
expert Examination
exponent
export
exportation
exporter
extending
extensibility
exterior
external parts
extra-current
extra-flat
extract
extraction
extractor
extreme
eye
eyeglass
eyelet
eyepiece
face
face-lathe
facet
faceted
factor
factory
fading
Fahrenheit (Gabriel-Daniel)
failure
fall
false
farad
fashion
fast seconds corrector
fast-and-slow
fasten
fastener
fastening
fatigue
Fatio (Nicolas)
fatty
fault
Favarger (Albert)
feather edge
federation
feed
feeler-spindle
felloe
felly
felt
female
Femto MTEST-1501®
Ferrié (Gustave Auguste)
ferrite
ferromagnetic
ferronickel
ferrous
ferrule
FH
fiber
fibre
fiddler
Fidhor
Fiduciaire Horlogère Suisse
field
field-glasses
fifo
figure-of-eight caliper
figure-of-eight calliper
filament
file
file-mark
filer
filiform
filing
filings
fill
film
filmogeneous
filter
filtering
fine
fine sand
fine-tooth
finger
fingerpiece
finicker
fining
finish
finisher
finishing
fireplace
fireproof
fission
fissure
fissured
fit
fit out
fit with slide-ways
fitted out
fitter
fitting
fix
fixed
fixing
Fixotrop
flange
flank
flare
flared
flasher
flask
flat
flatten
flattening
flaw
flawy
flexibility
flexible
flexion
flexion resonator
flexion tuning-fork
flight
flinqué
flint glass
flip-flop
floating point
floor
floppy disk
flow
fluid
fluidity
fluorescence
fluorescent
fluorethylene
flute
fluted
flux
fluxmeter
fly wheel
fly-back hand
fly-bar
fob
fob-chain
focal
foehn
foliated
foliot
FOMH
foot
force
foreman
forge
forging
fork
form
form memory
formating
former
forming
formula
formulary
fortran
Foucault (Léon)
foul
fouling
fouling the roller
founder
foundry
fraction
fragile
fragment
frame
freak of fashion
free
freedom
french horse-power
frequency
frequency adjustment
frequency corrector
frequency divider
frequency series
frequency stability
frequency standard
frequency-controller
fresh
freshen up
fretting corrosion
friction
friction-spring
frictional
Fromanteel (Ahasuerus)
full
function
funnel
furnace
fuse
fusee
fusibility
fusible
«fusiner»
«fusineur»
fusion
föhn
g clamp
g cramp
gage
gaging
gain
galalith
galenite
Galileo (Galileo Galilei)
galvanic
galvanism
galvanization
galvanize
galvanized iron
galvanometer
gamma
gangue
garnet
gas
gaseous
gash
gasoline
gate
gathering-pallet
gauge
gauging
gauss
gear
gearing
geartrain
gem
Gemma Frisius (Reynier)
gemmologist
gemmology
generate
generating
generator
geometric
geometrical
geometry
german silver
germanium
giga-
gild
gilder
gilding
gilding-metal
gilt
gimcrack
give (gave, given) in
glass
glasses
glitter
global time
globe
globule
glossy
glow
glow discharge
glucedor
glucinium
glucinum
glucydur
glue
gluing
glut of work
GMT
gnomon
go (went, gone)
gold
gold-cap case
gold-capacitor®
goldsmith
goldsmith's trade
gong
good
gouge
governor
GPS
grade
gradient
graduate
graduated
graduation
Graham (George)
grain
grained
grainer
graining
gram
grammeter
granular
graphite
graphitized
graver
gravitation
gravity
graze
grease
grease-cup
greasing
«grenadier»
Grether (Auguste)
grid
gridiron
grill
grind (ground, ground)
grindable
grinder
grinding
grinding-machine
grinding-wheel
grip
gripping
groove
gross
Grossmann (Hermann)
Grossmann (Jules)
Grossmann (Moritz)
ground
GT cut
guarantee
guaranteed
guard-pin
gudgeon
guide
guide-mark
guide-rod
guild
Guillaume (Charles-Edouard)
guilloché work
gum
gum up
gumming-up
gun
gunmetal
gutta-percha
gyroscope
gyroscopic
Haag (Jules)
Habrecht (Isaac)
hacksaw
hafnium
haft
Hahn (Philipp Matthäus)
hair
hairspring-stud
half
half-hour
hall-mark
hall-marking
hammer
hammering
hand
hand-fitting
hand-setting
hand-wrench
handle
handling
handy
hang
hang (hung, hung)
hanging
hard
hard magnetic material
harden
hardenable
hardened
hardener
hardening
hardness
hardware
harmonic
Harrison (John)
hatch cover
Hautefeuille (Abbé Jean de)
HBG
head
headstock
heart-piece
hearth
heat
heat-insulated
heavy
heel
height
helical
helicoidal
helix (helices)
help
helve
hematite
Henlein (Peter)
henry
hermetic
hermetically
hertz
hertzian
heterogeneous
hexadecimal
Hg
high
high-drain
high-speed
hinge
hinge-pin
HIP
Hipp (Matthias)
hobbing
holder
holding company
holding-down device
hole
hollow
hollow out
hollow punch
hollowing
hologram
holography
home
homogeneous
homologation
hoof
hook
Hooke (Robert)
hooked
hooking
horizontal
horizontally
horn
horological
horologist
horology
horometric
horometry
horsehair
Hostaform®
hot-plate
hour
hour-glass
Houriet (Jacques-Frédéric)
HP
Huaud
hub
humid deposition
humidity
hundredweight
hunter
hunting
Huygens (Christian)
hybrid circuit
hydrazine
hydrocarbon
hydrofluoric acid
hydrogen maser
hydrometer
hydrophone
hydrosound
hygrometer
hygrometry
hygroscope
hygroscopic
hypocycloid
hypophosphite
Hysteresimeter HM-01®
hysteresis
IAC quartz
ice
IEC
igneous electrolysis
illumination
imitate
imitation
immerse
immersion
impedance
impedance-coil
impervious
impression
imprint
improve
improvement
impulse
impulse-pin
impurities
incandescence
incandescent
inch
inclination
inclined
inclusion
increment
indelible
indent
indentation
indented
indenter
indenting
index
index-assembly
india oilstone
indicate
indicator
indifferent
indirect
induced
inductance
induction
inductive
inductive coupling plasma torch
industrial
industrial psychologist
industrial psychology
industrialist
industry
inertia
inertia-block
inflammability
inflammable
influence
information
information technology
infra-red rays
infrasonic vibrations
Ingold (Pierre Frédéric)
ingot
ingot-mould
inhibition
ink
inker
inlaid work
inlay (-laid, -laid)
inlay (inlaid, inlaid) with niello
inoxidizable
input-output unit
inspection
inspector
instantaneous
instantaneous rate
Institut L'Homme et le Temps
institute
instruction
instrument
insulate
insulated
insulating
insulator
integral
integrated circuit
integrated services digital network
intensity
interchangeability
interchangeable
interface
interference
interference mode
interference-filter
interferometry
intergranular corrosion
interlock
interlocking
intermediate coating
intermediate wheel
intermittent
internal impedance of a battery
internal resistance of a battery
interpolate
interpolation
interpose
interpreter
interruption
interstice
interval
invar
invent
invention
inventive
inventor
invoice
invoice-clerk
involute
ion
ion plating
ionic bombardment
ionic cleaning
ionic implantation
ionization
ionize
iridium
iron
irradiation
irreparable
irreversible
ISDN
ISO
isochronism
isochronous
isostatic
isotopes
isthmus
item
iteration
jack
jack-of-all-trades
jacket
Jacot (Charles-Edouard)
jag
jagged
jam
Janvier (Antide)
Japy (Frédéric)
Jaquerod (Adrien)
Jaquet (Eugène)
Jaquet-Droz (Pierre)
jar
jasper
jasperating
jaw
jaws
Jeanrichard (Daniel)
jerk
jewel
jewel-cutter
jewel-setter
jewel-setting tool
jeweler
jeweling
jeweller
jeweller's shop
jewellery
jewelling
jewelry
jewelry store
jib
jig
jobber
join
joint
joint-pusher
jointed
Jorgensen (Urbain)
joule
journal
journeyman
judge
jump
jumper
jumping
Junghans MEGA 1®
junk
karussel
key
key-bolt
kilo
kilo-
kilocalorie
kilocycle
kilogram
kilogram-weight
kilogrammeter
kilogrammetre
kilometer
kilometre
kilowatt
kilowatt-hour
kinematics
kinetic
kinetic energy
knife (knives)
knob
knock
knocking
Knoop
knot
knuckle
knurl
knurled
knurling
knurling-roller
kovar
label
laboratory
lac
lacquer
lacquering
lag
lamellar
laminate
laminated
lamp
lampshade
Lange (Ferdinand Adolf)
lantern
lap
lap time
lapidary
lapis lazuli
lapping
lapping-machine
large
laser
laser cutting machine
laser welding machine
lateral
lathe
latitude
Lavet
lavet motor
law
layout
layout diagram comparer
layout drawing checker
layout graphics editor
LCD
Le Roy (Pierre)
leach
leached
leaching
lead
leaf
leaf (leaves)
leakage
leather
lees
left
left-hand
legal
length
lens
lenticular
Lépine (Jean Antoine)
Leschot (Georges Auguste)
let (let, let) down
letter-balance
letting down
level
lever
liabilities
licence
license
Liechti
Lifo
lift
lifting
lifting-lever
light
light diffuser
light emitting diode
light reflector
lighten
lighting unit
lightwave guide
ligne
limb
lime
limit
limp
line
linear acceleration
linear shock
link
linker
lip
liquid crystals
list
listing
lithium battery
litmus
live memory
lixiviate
lixiviated
lixiviation
load
load capacity
loader
locate
lock
lock-nut
locked
locket
locking
locking-plate
log
log in
log out
logic circuit
logic diagram
logic diagram editor
logic gate
logout
long
long case
longitude
longitudinal
loop
loose
loosen
loosening
Loran
lose
losing rate
loss
Lossier (Louis)
lost
loudspeaker
low-drain
lubricant
lubricate
lubricating
lubrication
lug
lumen
luminary
luminescence
luminescent
luminosity
luminous
lunar
lunation
lustrum
Lutz (Jean Célanis)
lux
lye
machinable
machine
machining
macro
macroblock
macrocell
macrography
magnet
magnetic
magnetic disk
magnetic screen
magnetism
magnetite
magnetization
magnetize
magnetizing
magneto
magnetostriction
magnetron
magnification
mahogany
Maillardet
main memory
mains
mainspring-winder
maintaining plate
Mairet (Sylvain)
make (made, made) noiseproof
make (made, made) up for
make good
make-and-break switch
maker
male
malleability
malleable
mallet
man month
man year
management
manager
manganese
manifold
manometer
manual
manufacture
manufacturer
marcassite
Mariotmètre
mark
market
marking-gage
marking-gauge
marquetry
martensite
Martin (Pierre Emile)
mask
Maskelyne (Nevil)
mass
mass memory
master
masterpiece
mastery
mat
match
matched
material
material-clerk
material-Dealer
mathematics
matter
Maxwell (James)
mean
measure
measurement
measuring
mechanic
mechanical
mechanical calendar
mechanical deposition
mechanical time-setting
mechanical timekeeping instrument
mechanics
mechanism
median
medium
meeting
mega
mega-
melt
meltable memory
melting
memory
memory cache
Mercer (Thomas)
merchant
mercurial
mercury
mercury battery
meridian
meridian line
mesh
meson
mesothorium
metal
metal coating
metal foil
metal-drawing mill
metallic
metallization
metallize
metallography
metalloid
metallurgical
metallurgist
metallurgy
metastable
meter
metre
metric
metric horse-power
metrology
metronome
mica
micro
Micro Motor Test MMT-03/M®
micro-indentation
microcontroller circuit
microdynagraph
microelectronics
microgenerator
micrography
micromachine
micromachining
micrometer
micrometer-gage
micrometer-gauge
micrometergage
micrometergauge
micrometric
micrometry
micron
microphone
microprobe
microprocessor
microscope
microscopic
microsecond
microstructure
microsystem
microtechnology
Microtribomètre
middle
middle ages
mild
mill
miller
milli
millibar
millimeter
millimetre
millimetric
milling
milling-cutter
milling-machine
millisecond
miniature
miniature battery
miniature clock
miniaturization
miniaturize
minute
mirror
miscibility
miscible
miscount
«mitraillage»
«mitraillé»
mix
mix (up)
mixing of ions
mixture
MKfS
MNOS
mobile
mode
model
modem
modula
modulate
modulation
modulator
module
modulus
Moinet (Louis)
moire
molding-box
molecule
molybdenum
molybdenum bisulphide MoS2
moment
monel®
mono
monochrome
monocrystal
monocrystalline silicon
monogram
monometal
monometallic
monophase
monopoly
month
monthly
monthly payment
monthly rate
moon
morbier clock
mortar
mortise-chisel
mortising-chisel
MOS
MoS2
Mosaba
mother-of-pearl
motion
motion-work
motor
mottling
mould
moulding
mouldingbox
mount
mounted
mounting
move backward
move backwards
movement
movement-blank
MS-DOS®
MSF
MST®
MTS
Mudge (Thomas)
muffle
multi-motor watch
multi-spindle
multi-spindle machine
multilingual calendar
multimeter
multiple
multiplexer
multiplexing
multiplication
multiplier
multiplying
mumetal
Musée International de l'Horlogerie
museum
music
Mutromètre®
N/A converter
nadir
nail
nano-
nano-indentation
nanotechnology
Nardin (Ulysse)
native
nautical mile
neck
neck-chain
neck-mold
neck-moulding
negative
negotiate
nematic
neodymium-iron-boron
nest of drawers
netting
network architecture
neutral
neutron
new
Newton (Sir Isaac)
newton's rings
NHT-CSEMEX®
nib
niccolite
nick
nickel
nickel plate
nickel silver
nickel-plate
nickel-plated
nickel-plating
nickeling
nickelite
nickelling
niellist
niello
niello-work
night
NIHS
niobium
nippers
nitre
nitric
nitride
nitrided
nitriding
nitrocarburation
nitrogen
no-load voltage
nocturnal
noise
noiseproofing
«nombre»
nomenclature
nominal
non-erasable memory
non-inflammability
non-inflammable
non-magnetic
non-volatile memory
nonconformity
noon
norm
normal
north
nose
notch
notched
notice
novelty
nuclear
nucleation
nucleus
number
numbering
numeral
numeration
numerical precision
nut
nylon
object
objective
observatory
observe
obtuse
obverse
occultation
octal
OCXO
odd job
oersted
Oersted (Johan Christian)
off center
off centre
offer
office
office automation
official
ogival
ogive
ohm
ohmic
ohmmeter
oil
oil-can
oil-cup
oil-pike
oil-pot
oil-sink
oiler
oiling
old
old crock
oleaginous
olive
olive-cut
olive-cutting
olivette
Omégamétric®
on-line
one-eyed
onyx
opal
opalescent
opaque
open
open-circuit voltage
opening
operating system
operation
optic
optical
optical disk
optical fibre
optics
optional
optoelectronic
order
ordinate
ore
organ
organic
organize
organizer
orientation
origin
ornament
ornamentation
orthochronous
oscillate
oscillating
oscillation
oscillator
oscillator tube
oscillatory
oscillogram
oscillograph
oscilloscope
osmium
ounce
out of order
out of phase
out of step
out of truth
out of truth in the flat
out of truth in the round
outline
outmoded
output
oval
ovalization
ovalized
overall
overbanking
overcompensated
overcompensation
overlay (-laid, -laid)
overmoulded grid
oversized
overtone
oxidable
oxidant
oxidation
oxidation reduction
oxide
oxidize
oxidizing
oxidoreducer
oxygen
oxygraphy
oxyhydrogen
pack
package
packer
packing
packing-strip
pad
pager
Paillard (Charles Auguste)
painting
pair
palladium
pallet-maker
pallet-stone
pallets
pane
pantograph
pantographic engraver
paper
parabola
parachute
paraffin wax
parallel
parallelepiped
parallelogram
paramagnetic
parametrable assembler
parasitic
parelinvar
«paritaire»
parkerization
part
parting
pascal
pass
passivation
passive
passive display
passivity
paste
patent
patentable
path
patina
patinate
«patronal»
«patronat»
pawl
pay
payment
pean
pearl
«péclot»
pedal
pedometer
peen
peg
Pellaton (Albert)
Pellaton (James)
pen
pendant
pendular
pendulum
penetration
penetrator
penknife (penknives)
pennib
percussion
perfect
perfection
perforate
perforation
performance
perfume
period
periodic
periodical
peripheral
periphery
perlite
permalloy
permanent
permanent magnet
permeability
permeable
perpendicular
perpetual
perpetual calendar
Perrelet (Abram Louis)
Perret (Paul)
personnel
perspiration
petroleum
phase
phenolic
phenoplast
Philippe (Adrien)
Phillips (Edouard)
phonic
phosphate
phosphatization
phosphorescence
phosphorescent
phosphorous
phosphorus
phot
photo stencil
photo-electric cell
photochemical
photocopy
photoelectric
photoelectric cell
photoelectric transducer
photoelectricity
photoengraving
photographic Print
photography
photogravure
photolacquer
photolithography
photometer
photometry
photorepetition
photoresist
photosensitive
physical vapour deposition
physicosorption
pickle
pickling
pickling-solution
piece
piece of jewellery
piece of jewelry
pierce
pierce, Cut (cut, cut) out, Cut away
pierced
piercer
pieze
piezo-ceramic
piezoelectric
piezoelectric motor
piezoelectricity
pig
piguet
Piguet (Henri Féréol)
pile
pillar
pillar die-set
pillow
pin
pin up to the collet
pin up to the stud
pin-barrel
pin-punch
pincers
pinchbeck
pinhole
pinion
pinion wheel with endless screw
pink diamantine
pinning
pinning up to the stud
pioneer
pip
pipette
pistol
PIT
pitch
pitchblende
pith
«pitonneuse»
pitted
pitting
pivot
pivot-burnisher
pivot-maker
pivot-shank
pivoting
place
plain
planar
plane
planer
planetarium
planetarium (planetaria)
planetary
planetary wheel
planing
planish
planisher
planishing
plant
planter
plasma
plastic
plasticity
plate
platform
plating
platinum
play
pleochroic
plexiglas
pliers
plug
plug-punch
plugging
plumbago
pneumatic
POCSAG
point
pointer
poise
Poiseuille
poising
polar
polar shoe
polarity
polarization
polarize
polarized
polarizer
pole
polish
polished
polisher
polishing
polishing agent
polishing-file
polishing-iron
polishing-waste
polyacetal
Polyamide PA
Polycarbonate PC
polychrome
polycrystalline silicon
polyester
polyester resin
polyether PEBA
polyethylene
polymer UP SEC
polymerization
polymethacrylate of methyl PMMA
polysilicon
polysulphides
polytetrafluoroethylene PTFE
polyurethane PUR
Polyvinyl chloride PVC
pore
porosity
porous
portfolio
position
positive
positive drive
post
potassium
potential
potentiometer
potter (about)
potting
pouch
pounced ornament
pound
Pouzait (Jean Moïse)
powder
power
power connection
power reserve
power supply device
powering by impulses
ppb
ppm
practical
practice
practise
Prangins
prase-shift
precious
precision
pregilding
preliminary
preparation
presentation-case
presilvering
press
press (in)
press in
press-operator
press-tool
pressing
pressure
pressure-gage
pressure-gauge
price
primary
prime cost
principal
print
printed circuit
printer
priority
prize
probable rate
procedure
process
processing unit
processor
produce
producer
product
production
production technique
productivity
profession
professional
profile
profile-milling
profile-milling machine
profile-turn
profile-turning
profilometer
program
programmable time counter
programmable timekeeping instrument
programmed logic
programming
programming language
project beyond
projection
projection deposition
projector
prolog
PROM
PROM memory
promethium
proportional
proportional part
proportionality
proscribe
prospectus
protect
protection
protectionism
protective
protective coating
proton
prototype
protractor
«prud'homme»
prussiate
pseudo-language
psychrometer
PTFE
public assayer
publicity
puddler
puddling
pull
pull-out piece
pulley
pulsating
pulsation
pulsimeter
pulverization
pulverize
pumice
pump
punaise
punch
pure
purify
purity
push
push-piece
pusher
put (out, put) forward
put (put, put)
put (put, put) away
put (put, put) out of order
putting
putty
PVC
PVD
pyrites
pyrometer
pyrophosphate
quadrant
quadrilateral
qualified
quality
quality assurance
quality audit
quality control
quality factor
quality plan
quality system
quantitatively
quantum (quanta)
Quare (Daniel)
quarter
quartz
quartz oscillator
quartz resonator
Quartz Timekeeping Instrument
quartz watch
queue
quicksilver
quill
quota
rack
rack-hook
radial
radian
radiant
radiate
radiating
radiation
radiation damage
radio
radio frequency
radio-astronomy
radio-controlled
radio-controlled watch
radio-piloted
radio-piloted watch
radio-synchronized
radio-synchronized watch
radioactive
radioactivity
radiography
radiothorium
radium
radiumizer
radius
radon
raise
raising
RAM
RAM memory
Rambal (Joseph)
range
rapid
rapid hour correction
rapid time zone correction
rasp
ratchet
ratchet-wheel cover
rate
rate-checker
rating
ratio
rationalization
rationalize
raw material
reader
reagent
ream
ream (out)
reamed
reamer
reaming
rebush
recess
recess, Sink
recessed
recesser
recessing
reciprocal
recoil
record
recording
recover
recovery
rectified
rectifier
rectilinear
recut (-cut, -cut)
recutting
red
redrill
reduce
reducer
reduction
reed
reel
reeling
refine
refining
refit
refractory
refrigerating
refrigerator
register
registration
regius
regulate
regulated
regulating
regulating capacity
regulating-weight
regulator
regulator-assembly
regulus
Reid (Thomas)
reject
relaxation
relay
release
release-lever
reliability
relief
relieve
relieving
reluctance
remanence
remote processing
remote-controlled
remote-controlled watch
removable
repair
repairer
repairing
reparable
repeater
repeating-slide
repetition of acoustic information
replace
replacement
repoussé
repoussé work
REPROM
REPROM memory
Résal (Henry)
reserve
reservoir
residual
residue
resilience
resiliency
resilient
resin
resistance
resistivity
resonance
resonator
rest
restricted
resumption
retailer
reticle
retort
retrograde
return
reverse
reverser
reversible
Revetest®
revolution
rheostat
rhodium
rhodium-plating
rib
RIC
rider
Riefler (Sigmund)
riffle
riffler
right
right-hand
rim
ring
ring-gage
ring-gauge
rinse
rinsing
RISC
rise
Rivaz (Pierre-Joseph de)
rivet
riveting
riveting-stake
riveting-tool
Robert (Henri)
robot
robotics
rockwell
rod
roll
rolled
rolled gold
rolled-gold
roller
roller-pin
rolling
rolling-mill
ROM
ROM memory
roman
root
rose
rosette
rosin
Roskopf (Georges-Frédéric)
rotary
rotary converter
rotary dryer
rotating bezel
rotation
rotor
rotor bridge
rotor frame
rotor pinion
rotten
rouge
rough
rough (out)
rough jewel
rougher
roughing
roughing (out)
round
round (off, up)
round off
round-off
rounded-off
rounding off
rounding up
roundness
rub
rub down
rubbed down
rubber
rubbing
rubbing down
rubidium
rubidium clock
ruby
rule
run (ran, run)
runner
running
rust
rustless
rustproof
ruthenium
s-hook
sabot
SACMOS
sacrificial
safety
safety cut-out
safety-pin
safety-runner
sag
sage
saline
saline agent
salt
samarium-cobalt
sample
sand
sand-blast machine
sand-blasting
sand-glass
sandstone
saponification
saponify
sapphire
sapphirine
sarubin
satellite
satin-finish
satin-finisher
satin-finishing
saturate
saturated
saturation
Saunier (Claudius)
saw
sawdust
sawing
scale
scales
scamp
scanner
school
Schwilgué (Jean-Baptiste)
science
scientific
scissors
sclerometer
scleroscope
scoop
scour
scouring
scrap
scrape
scraper
scraping
scratch
scratch-brush
scratch-resistant
screen
screened
screening
screw
screw-cutting
screw-extractor
screw-plate
screwdriver
screwing
screws
scribing-gage
scribing-gauge
scroll
seamanship
season
seat
seating
second
second-hand dealer
secondary
secondary battery
secondary winding
seconds
seconds indication automatic correction
seconds zero-reset
secret
section
sectional
sector
secular calendar
sediment
segment
seismograph
seize
seizing
seizure
selection
selector
selenium
self-
self-catalytic
self-compensating
self-discharge
self-induction
self-induction coil
semi-conductor
semi-perpetual calendar
semi-precious
semiconductor
sensor
separate
separation
sequence
sequential
sequential circuit
sequential counting
sequential irradiation
series (series)
series resistor
server
servo-control
set
set (set, set)
set of samples
set-hands arbor
set-pin
setter
setting
setting stem
setting-lever spring
setting-wheel
settle
sexagesimal
sextant
shadow
shaft
shake
shake (shook, shaken) loose
shaking
shallow
sham
shank
shape
shaping
sharp
sharpen
sharpener
sharpening
shearing resonator
shears
sheet
sheet(ing)
sheeting
shell
shellac
shine (shone, shone)
shock
shock-absorber
shock-proof
shock-resistant
shock-resistant watch
shockproof
shop
short-circuit
shorten
shot
shot-blasting
shoulder
shovel
shrinkage
shrinkage-crack
shunt
shuttle
SI
siccative
side
sidereal
siderometer
siderurgy
Siemens (Friedrich)
sieve
sift
sifting
sight
sign
signal
signature
silencing lever
silent
silica
silicium
silicon
silicone
silicone fluid
silicone mould
silicone resin
silk
silkscreen
silver
silver oxide battery
silver plating
silver-plate
silver-plating
silvering
silversmith
simple
simulation
simulator
simultaneous irradiation
sine
single
single-phase
sink
sintered
sintered iron
sintering
sinusoid
sinusoidal
situation
size
skeleton
sketch
skew
skill
skilled
skin
slack
slag
slate
sleeve
slide
slide (slid, slid)
slide-bar
slide-block
slide-contact
slide-rest
slide-way
sliding
sliding block
sliding Gear
slip
slipping
slipping varnish
slot
slotting
sludge
small
small buckle
small centre-punch
small chain
smallwheel
smart
SMD
smear
smelter
smelting
smelting-furnace
smooth
smooth (down, off)
smooth Out
smooth out
smoothed
smoother and polisher
smoothing
snail
snailed
snailing
snap
snap-rim
soap
society
socket
soft
soft brush
soft iron
soft magnetic material
soften
softened
software
soil
solar
solar cell
solder
soldered
soldering
soldering-bit
soldering-iron
solders with metal filling
sole
solenoid
solid
solid lubricant
solid-state
solid-state timekeeping instrument
solidify
solstice
solution
solvent
sonotrode
soot
sort
sorting
sound
space
spangle
spangler
spangling
spanner
spark
spark cutting-process
spatula
special
specialist
specialization
specially trained
specific
specific gravity
specifically
spectacles
spectrophotometry
spectrum (spectra)
specular
speculum metal
speed
sphere
spherical
spherical lune
sphygmograph
sphygmometer
spin (spun, spun)
spindle
spindle-tree
spinel
spinning
spinning-tool
spiral
spirit
split (split, split) up
split chuck
split stator
split-time counter
spoil (spoiled/spoilt, spoiled/spoilt)
spoke
spool
spooling
spot
spotting
spray
spread (spread, spread) (out)
spreading
spring
spring balance timekeeping instrument
spring catch
sputter ion plating
sputtering
square
squared
squaring
squeeze
sreat
stability
stabilize
stabilized
stable
stackfreed
staff
staff-fitting
stage
stagger
staggered
stainless
stake
stale
stamp
stamper
stamping
stand
standard
standard block or cell router
standardization
standardize
standardized colours for noble metals
standardizing
stannates
star
start
start (up)
starter
starting
starwheel
state
static capacitance
statics
statonic
stator
stay
staybrite
steady-pin
steam
steel
stellite
stencil
step
stepping
stepping motor
stick
sticking
stir
stirrup
stock
stoichiometry
stone
stool
stop
stop-lever
stop-wheel
stoppage
stopping
stopwatch
stopwork
storage
store
storekeeper
stove
stoving
straight
straight-graining
straighten
straighten (out)
straightening
strain
strained
strand
strap
strass
Strasser (Ludwig)
strengthen
stress
striation
striction
strike (struck, struck)
strike-silent lever
striker
striking-mechanism
striking-work
string
strip
strip manufacture
strip-iron
stripper
stroboscope
stroboscopic
stroboscopic timing-machine
stroboscopy
stroke
strong
structural
structure
strum
stud
stud-bolt
style
styrol-butadiene SB
sub-multiple
sub-routine
subject
sublimation
subordinate
subsidiary
substrate
Sully (Henry)
sulphide
sulphur
sulphuration
sulphuric
sun
super
superconductive
superior
superpose
supplement
supplementary
supply
support
surface
surface shearing
surprise-piece
suspend
suspension
swage
swaging
swing
swinging
Swiss Watch Chamber of Commerce
switch
swivel
symbol
symbolic display
symmetrical
synchronism
synchronization
synchronize
synchronous
Synchronous Motor Test SMT-01®
syncor
syndical
synthesis
synthesis (syntheses)
synthetic
synthetic diamond
synthetic material
synthetic quartz
synthetic sweat
system
t-square
table
tachometer
tag
TAI
tail
tailstock
take (took, taken) on
taking over
tallow
tangent
tangential
tank
tap
taper
tapping
tapping-machine
target
tarnishing
tartar
Tavan (Antoine)
taximeter
taylorism
taylorization
taylorize
TCXO
teach (taught, taught)
teaching
technical
technical college
technician
technique
technological
technology
teflon®
telegraphy
telematics
telemeter
telephone
telephony
telescope
tell-tale clock
temper
temperature
template
temporary
tenacity
tension
tenth
terminal
terminology
ternary
terrestrial mile
test
test-piece
test-tube
testing
tetrafluoroethylene
texture
theoretician
theorician
theory
thermal compensator
thermal thermic
thermic cycle
thermic shock
thermo
thermode
thermoelastic
thermoelectric
thermoelectricity
thermofusible
thermometer
thermoplastic
thermosetting
thermostat
thicken
thickening
thickness
thickness shearing
thin
thin down
thincord
thioacetamide
Thiout (Antoine, the Elder)
Thomas (Sydney)
thousand
thousandth
thread
threader
threading
threadlike
three-phase
three-square
throw (threw, thrown) into gear
throw (threw, thrown) off center
throw (threw, thrown) off centre
throw (threw, thrown) out
throw (threw, thrown) out of gear
throw (threw, thrown) out of step
throw-out
throw-outs
throwing into gear
throwing off
Thury (Marc)
thyratron
TiC
ticker
ticking
tide
tighten
tightener
tile
timbre
time
time base
time counter
time signal
time switch
time zones
time-lag
time-measuring instrument
time-table
timed
timekeeper
timekeeping instrument
timer
timing
timing-adjuster
timing-machine
TiN
tin
tin-plate
tin-plating
tinker
tinning
tinplate
tint
tip
tip (up)
tip-lever
tipper
titanium
title
to-and-fro motion
tolerance
tombac
Tompion (Thomas)
tongs
tongue
tool
tool-maker
tool-post
tools
tooth
tooth (teeth)
tooth-forming milling-cutter
toothed
toothing
top
top balance-endpiece
topping
torque
torquemeter
torsiometer
torsion
torsion resonator
torsion tuning-fork
touch up
touchstone
tourbillon
tourmaline
trace
tracing
trade
trader
train
training
transcoding
transducer
transfer
transfer line
transfer machine
transferring
transform
transformation
transformer
transistor
translation
translator
transmission
transmit
transmitter
transmitting
transpassive corrosion
transponder
trash
travel
tray
treadle
treat
treatment
triangle
triangular
tribology
tribometer
trichlorethylene
trigger
trigger-piece
trigonometric
trigonometry
trim
trimmer
trinket
triode
trip
trip-dog
trip-hammer
tripoli
tripping
tritium
tropic
tropical
trotteuse
trough
true
true (up)
truing
truncate
truncated
truncation
trundle
trunnion
trust
truth
truth in the round
tube
tubular
tumbling
tungsten
tuning fork timekeeping instrument
tuning-fork
turn
turn in
turn off
turn out
turn-off
turner
turning
turning in
turning off
turning-arbor
turnings
turnip
turpentine
tuyère
tweezers
twelfth
twin clasp
twist
twist nematic
two-phase motor
two-timer
type
UBAH
ultra
ultra-high-temperature hardening process
ultramarine
ultramicroscope
ultrasonic motor
ultrasonic vibration
ultrasonic welding
ultrasonic welding machine
ultrasonic welding plastics
ultraviolet
unbalance
uncase
uncasing
unclick
unclicking
unclog
uncoil
unctuous
unctuousness
under-dial work
undercut
undercutter
underside
undo (undid, undone)
undulation
undulatory
unemployed person
unemployment
unequal
uneven
unglue
unhook
unhooking
unhooking finger
unidirectional
unification
uniform
unilateral
union
unipolar power
unique
unit
unit(s)
universal
unlocking
unplug
unpoise
unrivet
unrust
unrusting
unscrew
unset (unset, unset)
unskilled worker
unstable
unwind (unwound, unwound)
upjeweling
upper
upright
upright-drilling accessory
uprighting
uprightness
uranium
use
used
UT
UTC
vacuum
vacuum-gage
vacuum-gauge
vagary
value
valve
vanadium
vaporization
vaporize
vaporizer
variable
variable condenser
variation
variation of daily rate
variety
variocouple®
various
varnish
vary
vat
Vaucanson (Jacques de)
VCXO
vector
velocity
verdigris
verge
Vérité (Auguste Lucien)
vernal
verneuil
vernier
vertical
vertical polisher
vertical rack
vertically oscillating motor
VHF
vibrate
vibrating
vibrating drums
vibration
vibration mode
vibratory
vibrograf
vice
vice-clamp
vickers
Villarceau (Yvon)
Vinci (Leonardo da)
«viscope»
viscosimeter
viscosity
viscous
vise
vise-clamp
visualization
vitrifiable
vitrify
vitriol
VLSI
vocation
vocational
volatile
volatile memory
volt
voltage
voltage under load
voltmeter
volume
wafer
wage
wages
wall
walnut
warden
wardenship
warning-wheel
warp
warping
washer
waste
waste strip
watch
watch magnet
watch processor
watch-material
watch-parts
watchcase
watchmaking
water
water-resistance
water-resistant
water-resistant watch
watt
watt-hour
wattless
wattmeter
wave
wavemeter
wax
waxing
WC
weak
weaken
wear
wear (wore, worn)
wear (wore, worn) (down, out)
wearing
wedge
wedge (up)
week
weigh
weighing
weighing-machine
weight
weld
welding
welding by electric or laser refusion
well
west
wetting agent
whalebone
wheel
wheelwork
whim
whip
whisker
white
whiten
wholesale
wholesaler
wick
width
wig-wag tool
wind
wind (wound, wound)
wind (wound, wound) in
winding
winding (up)
winding-mechanism
window
Winnerl (Joseph)
wire
wire-edge
withdrawal
wobble
wood
word
word processing
work
work-driver
work-piece
worked
worker
working
working-lamp
workman
workmanship
works
wrench
wristlet
WT
WWVB
X cut plus theta degrees
xenon
XO
year
yearbook
yellow
yellowing
yield
yoke
Z cut
Z quartz
zamak
zebra
zenith
zenithal
zero
zero-resetting of chronograph
zinc
zinking
zirconia
zirconium
zodiac
zone
ZT cut



























English
Always ready to hand!
So you can always have it ready to hand, the Illustrated Professional Dictionary of Horology is also available in a paper version. Containing around 1300 pages, it lists nearly 5000 terms in four languages (French, German, English and Spanish), with an alphabetical index. Amply illustrated, it can be ordered from our online shop.