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cog

cog

8 5.6
A tooth on a gear that fits with others to make the gear turn
  • noun
  • /kɔg/
  • Specialized
translation icon : diente (de engranaje)
  • To understand the machinery, you need to see how every cog plays a role in the overall operation.

Those mechanisms and wheels and cogs, they're bad, you know, tearing up the earth.

Examples

  • And you educate yourself on the nuts, bolts, gears, and cogs of filmmaking.

    Blog text (32)
  • It's like cog wheels all tied together, working together.

  • This whole barrel just sits on these cogs and it's just very easy to turn.

  • The best clocks have jewel movements, cogs that fit, that cooperate by design.

  • It only works if all the little cogs mesh together.

  • Metal clangs, cogs break, springs rip apart, and one by one the knives stop.

    Fiction book (1998)
  • The broom handle has been jammed between two cogs, stopping them.

    Fiction book (1994)
  • The engineer explained how each cog in the gear system interlocks to transmit motion effectively.

  • The old clock was beautifully designed, with intricate cogs working together to keep precise time.

Compounds

cog railway
  • Specialized
6.6

A railway for steep hills where a gear on the train fits into a toothed rail to prevent slipping

How Complex

transmission
  • Specialized
73 3.9
gearbox
  • UK
12 4.6
gear mechanism
  • Specialized
4.1
gear
180 2.9
cog
  • Specialized
8 5.6

Surface Forms

cog singular
cogs plural

Etymology

The word cog originally named a small 'tooth' on a cogwheel that fits with other teeth to make the wheel move, so a cog is the part of a gear that helps the machine work.