HOROLOGICAL GLOSSARY

Find below all the terms covered by the encyclopedia sorted alphabetically.

A

Abrasive – Escapement-making (finishing) – Steel – Display – Retrograde display – Motion work – Hand – Leaf – Openworking – Reaming – Reamer – Alloy – Vibration – Aluminium – Non-magnetic – Non-magnetism – Shock-absorber (antichoc) – Amplitude – Pallets (lever) – Beveling / Angling – Angle – Beveled / Chamfered – To bevel / To chamfer – Anodising – Pairing (balance and hairspring) – Water-resistance tester – Applied marker – Arbor – Barrel arbor – Bow – Silver – Winding – Stopwork – Assembly – Assembly of a clock movement – Automaton – Automatic – Autonomy – Buffing – Axis – Balance staff

B

Rod (baguette shape) – Balance – Balance poising bench – Barrel – Spring bar – Lever / Rocker – Burr – Benzine cleaning tank – Rounding-off – To round off – Beryllium – Bimetallic – To blue – Bluing – Piercing saw (jeweler’s saw) – Wood – Vice jaws (wood) – Case – Core – Bush – Pin buckle / Tang buckle – Pin buckle – Deployment buckle – Engraver’s ball vice – Bracelet / Strap – Metal bracelet – Synthetic strap – Vegetal strap – Leather strap – Metal bracelet – Synthetic strap – Vegetal strap – Sliding clamp – Jamming (calendar) – Tweezers – Burnishing – Burnisher – Boxwood – Graver – Fixed graver

C

Cabinet (workshop) – Cabinotier – Cabochon – Buff – Dial – Dial maker – Dial printer – Meteorite dials – Lacquered dials – Mother-of-pearl dials – Painted dials – Movement frame (cage) – Tourbillon cage – Gear train calculation – Full calendar – Perpetual calendar – Secular perpetual calendar – Calibre – To gauge – Calotte – Cam – Pipe – Noon cam – Capillarity – Carat – Carbon – Forged carbon – Woven carbon – Westminster chime – Case middle – Cartouche – Ceramics – Circling – Chronometer certification according to ISO 3159 standard – Champlevé – Chamfer – Carriage – To drive in – Chaton – Cannon pinion – Backlash – Impulse pin (roller jewel) – Hand chatter – Timing machine – Chronofiable (Dubois laboratory) – Chronograph – Split-seconds chronograph – Two-pusher chronograph – Single-pusher chronograph – Flyback chronograph – Chronometer – Drop (impact) – Chasing – Key – Clepsydra – Click – Winding click – Bell – CNC – Coefficient of thermal expansion – Regulation components – Precious metals control – Quality control – Heart piece – Swan’s neck – Snail (cam) – Snailing – Comparator – Complication – Counting – Counter – Endstone – Testing – Swiss Official Chronometer Testing Institute (COSC) – Employers’ Convention – Balance cock – Horn (lug) – Corrector – Daily rate correction – Geneva stripes – Crown – Casing cushion – Barrel cover / lid – Maltese cross – Leather – Copper – CVD

D

Dart (safety pin) – Date – To uncase – Disconnecting gear – Transfer (dial printing) – Release – Profile turning – Automatic-lathe operator – Automatic lathe – Decoration – To fine-tune (movement) – Sink (setting recess) – To decrement – Unlocking (drop angle) – Degassing – To remove shellac – To throw out of gear – To demagnetise – Vapour deposition – To demagnetise – Letting down – To let down – To let down – Diablotine (flying seconds) – Diamond – Diamond polishing – Tuning fork – Differential – Expansion – Disc – DLC (Diamond-Like Carbon) – Finger – Gilding – To gild – Dual time zone (GMT) – Double roller – Snap (barrel notch) – To true – DRIE (Deep Reactive Ion Etching) – Ductility – Duplex – Hardness

E

Shake (play) – Deburring – To trim (deburr) – Beveled edge – Escapement – Swiss lever escapement – Cylinder escapement – Detent escapement – Constant-force escapement – Duplex escapement – Grasshopper escapement – Escapement tester – Mohs scale – Cold working – Elasticity – Electrical discharge machining (EDM) – Electroforming – Electrolysis – Elinvar – Anodising – Enamel – Enamelling – Casing – To case – Coupling – Emerald – Total depth – Gear – Distance of centres – Lug width – Entry – Protective coating – Epilame coating – To ream – Reamer – Equation of time – Poising – Dynamic regulation – Static poising – Equinox – Mainspring winder – Bench – Établissage – Standard – Stamping – Water resistance – Vice – Draw-filing – Star (wheel) – Detent pin – Eccentric – Extractor

F

Additive manufacturing – Maker – Maker (f.) – False pivot – Iron – Polishing iron – Clasp – Carbon fiber – Carbon fibre – Thread – Threading – Screw plate – Flank – “Flinqué” (engine-turned engraving) – Fluorescence – Flyback – Case back – Case back – Fleurier Quality Foundation – Smelting – Drill bit – Forge – “Foudroyante” (flying seconds) – Whip – Fork – Milling – Milling cutter – Milling machine – Stamping – Brake – Thread locker – Frequency – Sintering – Time zone – Fusee

G

Roller – Tripping – Shagreen – Electroforming – Gem – Gemmologist – Gemmologist – Hobbing – Crystal (watch glass) – Glucydur – Gnomon – Gadroon – Shellac – Fix with shellac – Groove – Gouge – Fob – Drop – Grain (abrasives) – Grease – Grande sonnerie – Grasshopper escapement – Engraver – Engraver (fem.) – Engraving – Graining – Seize – Aperture / Window – Guilloché (engine-turning) – To guilloché – Guilloché engraver

H

External parts (case, dial, hands) – Helical – Hertz (Hz) – Jumping hour – World time / Universal time – Clock – Atomic clock – Horologist (watchmaker) – Oiling – Oil – Oil sink – Figure-of-eight calliper

I

Impulse – Incabloc – Inclusion – Increment – Indentation – Index (hour marker) – Indicator – Power reserve indicator – Astronomical indication – Inertia – Design engineer – Microtechnology engineer – Non-magnetic – Scratch-resistant – Instantaneous – Institution – Measuring instruments – Interchangeability – Switch – Invar – Reverser – ISO – Isochronism

J

Rim – Gauge – Set – Gasket / Seal – Day

K

Kilogram – “Swiss made” label

L

Brass – Blade – Rolling – Alcohol lamp (spirit lamp) – Oil lamp (kerosene lamp) – Indenting – Lantern – Stone cutting (lapping) – Lacquer – Latitude – Nest of drawers – Lift – Hand-fitting levers – Cork – LIGA – Ligne (unit) – Straight line – Snail (cam) – File – Sapphire file – Banking – Longitude – Length – Lubricant – Lubrication – Light – LumiNova – Bezel – Lyre lug

M

EDM machine (electrical discharge machining) – German silver – Out-of-flat (hairspring defect) – Out-of-round (hairspring defect) – Malleability – Hand chuck – Manufacture – Daily rate – Mass – Oscillating weight (rotor) – Inertia block – Material – Materials – Composite materials – Organic materials – Die – Hand-setting mechanism – Winding mechanism – Winding and hand-setting mechanism – Drill bit – MEMS – Driving – Driven – Metal – Metals – Meteorite – Shot blasting (micro bead blasting) – Micromechanics – Micrometre – Micron – Escape wheel – Center wheel – Minute wheel (motion work) – Third wheel – Fourth wheel (seconds wheel) – Month – Moment of inertia – Elastic moment (torque) – Vice clamps – Movement – Museums

N

Mother of pearl – Nanometre – Carbon nanotubes (CNT) – New moon – Besançon Chronometric Observatory – Geneva Chronometric Observatory (OC+ / Timelab) – Glashütte Observatory – Regulation / Adjustment operations

O

Gold – White gold (grey gold) – Rose gold (pink gold) – Counting and transmission mechanism – Distribution mechanism – Motor organ (power source) – Regulating organ – Certification bodies – Oscillation – Hand-fitting tool – Hole tool (hole gauge) – Cutting tool – Regulating tools – Hand tools – Blade case-opener

P

Pallet stone – Bearing – Simple bearings – Division (wheel-train height layout) – Pendulum – Drill – Period – Circular graining – Petite sonnerie – Moon phase – Caliper (vernier caliper) – Sliding pinion – Escape pinion – Centre pinion – Third-wheel pinion – Winding pinion – Seconds pinion – Pillars – Oil-pike (oiler) – Stud (hairspring stud) – Plastics & Polymers – Main plate – Platinum (material) – Full moon – Dart stud (guard-pin stud) – Geneva Seal – Dead point – Bulb (blower bulb) – Polished – To polish – Polishing – Bridge – Part holder (movement holder) – Stud holder – Screw case-back opener stake – Crystal-fitting stake – Hand-fitting stake – Micrometric stake – Pusher – Profile projector – Pulsometer (pulsation scale) – PVD

Q

Date / Calendar – Annual calendar – Perpetual calendar – Secular perpetual calendar – Simple date display – Quartz

R

Stiffness (spring rate) – Regulator – Regulator assembly – Knock (rebate) – Regulation / Adjustment – Regulation / Adjustment – Rule (ruler) – Regulator – Remontoir – Overbanking – Intermediate wheel – Guide mark – Minute repeater – Power reserve – Resonance – Resonator – Mainspring – Click spring – Setting lever spring – Retrograde – Alarm – Overhaul – Rhodium plating – Ratchet wheel – Train (wheel train) – Motion work – Escape wheel – Centre wheel – Crown wheel – Minute wheel – Third wheel – Hour wheel – Seconds wheel – Ruby / Jewel – Roughness tester (profilometer)

S

Sandblasting – Seasons – Sapphire – Satin finish – Satin-finished – To satin-finish – Neck chain (sautoir) – Felloe (rim base) – Setting (stone/jewel setting) – Signs of the zodiac – Silicon – Sunburst finish – Sunburst-finished – To apply sunburst finish – Solstice – Passing strike – Chaperon strike – Detent strike – Rack strike – Soldering – Blower (small bellows) – Hairspring (balance spring) – Skeletonizing

T

Tachymeter – Barrel drum – Pad printing – Tantalum – Tap (threading tool) – Telemeter – Temperature – Time – Coordinated Universal Time (UTC) – Quartz movement tester – Thermosetting – Thermoplastic – Lever arbor (pallet-fork staff) – Winding stem – Setting lever – Titanium – Torsiometer – Lathe – Rose engine (guilloché lathe) – Straight-line engine (tapestry lathe) – Tourbillon – Screwdriver – Torque screwdriver – Wheel train – Surface treatments – Electroplating treatments (galvanic treatments) – Heat treatments – Triple calendar – Tungsten – Turquoise

U

Units of measurement – UTC

V

Glass (crystal) – Collet – Screw – Micrometric regulator screw – WOSTEP (training)

Z

Zinc

TEST