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cogwheel

cogwheel

1 6.9
A round wheel with teeth that fit into another wheel to make it turn
  • noun
  • /ˈkɔɡˌwɪl/
  • Specialized
translation icon : engranaje
  • In the factory, workers inspected each cogwheel for any signs of wear or damage.

Examples

  • He adjusted the broken cogwheel to ensure the clock would keep accurate time.

  • I used to picture the changes of seasons and events as the result of some incremental movement at Earth's center: some perceptible straining against tension until the gearing of a cogwheel moved forward one click.

    Fiction book (1996)
  • Suppose you have two very simple cogwheels, indeed so simple they'd never ever be used in cryptography.

  • The use of machine or automobile parts (cogwheels, etc.) as stamps over the russet country cloth is associated, in my memory, with the advent of the so-called Ferensola gown in the 2-3 years before the 1977 election.

    Academic text (2007)
  • The cogwheel turned smoothly, engaging with the other gears to power the machine.

Synonyms

gear
vscogwheel
180 2.9

A wheel with teeth that makes parts of a machine move

is a single toothed wheel rather than a whole part or system
gear wheel
vscogwheel
  • Specialized
3.5

A round wheel with teeth that fits together with another wheel to move parts or change speed

is used mainly to transmit motion rather than to alter speed or direction
geared wheel
vscogwheel
  • Specialized
6.3

A round wheel with teeth that fits another to change speed or direction

focuses on transmitting motion rather than changing speed or direction

How Complex

gearbox
  • UK
12 4.6
gear mechanism
  • Specialized
4.1
cogwheel
  • Specialized
1 6.9
wheel
1.0

Surface Forms

cogwheel singular
cogwheels plural

Morphology

cogwheel = cog + wheel (transparent) = cog + wheel

A literal compound of 'cog' + 'wheel'; the mechanical meaning is directly predictable from its parts.

Etymology

Cogwheel comes from the parts cog meaning 'tooth' and wheel, so it literally means a 'toothed wheel'. Imagine the teeth on one wheel 'biting' the next to pass on motion, which is why a cogwheel moves parts in a machine.