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Cog vs Sprocket - What's the difference?

cog | sprocket |

As nouns the difference between cog and sprocket

is that cog is a ship of burden, or war with a round, bulky hull while sprocket is a toothed wheel that enmeshes with a chain or other perforated band.

As a verb cog

is to furnish with a cog or cogs.

cog

English

(wikipedia cog)

Etymology 1

From (etyl) cogge, from (etyl) kogge, cogghe (modern kogge), from (etyl) . See below.

Noun

(en noun)
  • (label) A ship of burden, or war with a round, bulky hull.
  • *, Bk.V, Ch.iv:
  • *:As the Kynge was in his cog and lay in his caban, he felle in a slumberyng.

    • Etymology 2

    From (etyl) cogge, from (etyl) (compare (etyl) . The meaning of “cog” in carpentry derives from association with a tooth on a cogwheel.

    Noun

    (en noun)
  • A tooth on a gear
  • A gear; a cogwheel
  • An unimportant individual in a greater system.
  • * 1976, Norman Denny (English translation),
    • ‘There are twenty-five of us, but they don’t reckon I’m worth anything. I’m just a cog in the machine.’
  • * 1988,
    • Your boss tells you “take initiative,” you best guess right—and you do , then you get no credit. Day-in, … smiling, smiling, just a cog .
  • (carpentry) A projection or tenon at the end of a beam designed to fit into a matching opening of another piece of wood to form a joint.
  • (mining) One of the rough pillars of stone or coal left to support the roof of a mine.
    • Derived terms
    * cog joint

    Verb

    (cogg)
  • To furnish with a cog or cogs.

    • Etymology 3

    Uncertain origin. Both verb and noun appear first in 1532.

    Noun

    (en noun)
  • A trick or deception; a falsehood.
    • (William Watson)

    Verb

    (cogg)
  • to load (a die) so that it can be used to cheat
  • to cheat; to play or gamble fraudulently
  • * Jonathan Swift
    • For guineas in other men's breeches, / Your gamesters will palm and will cog .
  • To seduce, or draw away, by adulation, artifice, or falsehood; to wheedle; to cozen; to cheat.
  • * Shakespeare
    • I'll cog their hearts from them.
  • To obtrude or thrust in, by falsehood or deception; to palm off.
    • to cog in a word
  • * J. Dennis
    • Fustian tragedies have, by concerted applauses, been cogged upon the town for masterpieces.

    Etymology 4

    From (etyl) cogge

    Alternative forms

    * cogue

    Noun

    (en noun)
  • A small fishing boat
    • English terms with multiple etymologies ----

    sprocket

    English

    (wikipedia sprocket)

    Alternative forms

    * (l)

    Noun

    (en noun)
  • A toothed wheel that enmeshes with a chain or other perforated band.
  • (usually, in the plural) The tooth of such a wheel.
  • (architecture) A flared extension at the base of a sloped roof.
  • A (placeholder name) for an unnamed, unspecified, or hypothetical manufactured good or product.
    • Suppose we have a widget factory that produces 100 widgets per year, and a sprocket factory that produces 200 sprockets per year.

    Usage notes

    Although sprockets are sometimes referred to as gears , there is a technical distinction between the two: sprockets interact with chains, whereas gears interact with other gears.

    Synonyms

    * (placeholder name) widget

    Derived terms

    * sprocket wheel

    See also

    * (wikipedia "sprocket")