gearwheel
111brake wheel — (in a windmill) a bevel gearwheel rotating with the wind shaft. [1870 75, Amer.] …
112dent. — 1. dental. 2. dentist. 3. dentistry. * * * abbrev 1. Dental 2. Dentist 3. Dentistry * * * dent1 «dehnt», noun, verb. –n. 1. a hollow made by a blow or pressure: »The boys threw rocks that made …
113clear|ance — «KLIHR uhns», noun. 1. the act of clearing: »Clearance of the theater was quick during the fire. 2. a) a clear space; distance between things that pass by each other without touching: »There was only a foot of clearance between the top of the… …
114cog|wheel — «KOG HWEEL», noun. a wheel with teeth cut in the rim for transmitting or receiving motion; a gear or gearwheel: »The cogwheels of this watch transmit the power of the spring to the hands …
115de|rail|leur — «dih RAY luhr; French day rah YERR», noun. 1. a device on a bicycle which moves the chain from one gearwheel to another; bicycle gearshift. 2. a bicycle equipped with a derailleur. ╂[< French dérailleur < dérailler derail; see etym. under… …
