tourbillon Definition

chronograph, timepiece, horological, subdial, reverso, perpetual calendar, guilloche, tachymeter, watchmaking, watchcase, chronometer, totalizer, gnomon, horology, tailstock, wristwatch, accutron, tailpiece, microswitch, cabochon, quartz, tourbillion, frustum, rev counter, volute, balance wheel, ogee, conic, parure, synchromesh, toccata, triode, quartz crystal, sheave, sunray, detents, pushbutton, trapezium, thumbwheel, synchronism, swage, trunnion, corkscrew, venturi, synchroniser, kettledrums, idler pulley, kickdown, fresnel lens, exciter, gimbals, formes, pantograph, overhead camshaft, handwheel, volar, filigree, accelerando, magnetic dipole, collet, openwork, oculi, photocell, ormolu, garniture, mainspring, dodecahedron, lumma, iris diaphragm, compensator, lubricator, poppet valve, retractor, calliper, rollerball, brilliants, electric dipole, featherlight, scroller, zoetrope, wind vane, toroid, bakelite, stators, tappet, cogwheel, flanging, tenon, amplitude modulation, nosepiece, condenser microphone, ejector seat, cufflink, rotator, armillary sphere, smoky quartz, axial, goniometer, perforator, lamella,