| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024cog1 /kɑg, kɔg/USA pronunciation n. [countable]- Mechanical Engineeringa gear tooth that fits into the slot on a wheel with similar teeth, to transfer motion or power
- Mechanical Engineeringa cogwheel.
- a person who plays a minor part in an organization, etc.:He's just a small cog in this business.
WordReference Random House Unabridged Dictionary of American English © 2024cog1 (kog, kôg),USA pronunciation n., v., cogged, cog•ging. n. - Building(not in technical use) a gear tooth, formerly esp. one of hardwood or metal, fitted into a slot in a gearwheel of less durable material.
- a cogwheel.
- Buildinga person who plays a minor part in a large organization, activity, etc.:He's just a small cog in the financial department.
v.i. - Electricity(of an electric motor) to move jerkily.
v.t. - Metallurgyto roll or hammer (an ingot) into a bloom or slab.
- Idioms slip a cog, to make a blunder;
err:One of the clerks must have slipped a cog.
- Scandinavian; compare Swedish, Norwegian kugg cog
- Middle English cogge, probably 1200–50
- Gamesto manipulate or load (dice) unfairly.
v.i. - Gamesto cheat, esp. at dice.
- origin, originally uncertain 1525–35
- Building[Carpentry.](in a cogged joint) the tongue in one timber, fitting into a corresponding slot in another.
- Mining, Buildinga cluster of timber supports for a roof. Cf. chock (def. 4).
v.t., v.i. - Building[Carpentry.]to join with a cog.
- 1855–60; special use of cog1; replacing cock in same sense, special use of cock1 (in sense of projection); see coak
- Linguisticscognate.
Collins Concise English Dictionary © HarperCollins Publishers:: cog /kɒɡ/ n - any of the teeth or projections on the rim of a gearwheel or sprocket
- a gearwheel, esp a small one
- a person or thing playing a small part in a large organization or process
Etymology: 13th Century: of Scandinavian origin; compare Danish kogge, Swedish kugge, Norwegian kug cog /kɒɡ/ n - a tenon that projects from the end of a timber beam for fitting into a mortise
vb (cogs, cogging, cogged)- (transitive) to join (pieces of wood) with cogs
Etymology: 19th Century: of uncertain origin |