Longman Dictionary of Contemporary English homepage

Topic: TECHNOLOGY

Date: 1600-1700
Language: French
Origin: pignon, from peigne 'comb'

pinion

2 noun
     
pinion2
[countable]T a small wheel, with teeth on its outer edge, that fits into a larger wheel and turns it or is turned by it

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AC arm button cable cam can car channel configuration control counter cycle develop device die digital facility feed filter flex frame framework gear gun handle hardware heavy-duty housing install installation iron(n) iron(v) jack key laser LCD lead loop machine manual map material mechanism medium micro- mode movement net oil operate operation operator paper part release(v) release(n) resolution safe setting slide spring tab tape technology thread tube

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