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IELTS BNC: 15187 COCA: 13303

piston

noun
/ˈpɪstən/
/ˈpɪstən/
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  1. a part of an engine that consists of a short cylinder that fits inside a tube and moves up and down or backwards and forwards to make other parts of the engine move活塞
    Oxford Collocations DictionaryPiston is used before these nouns:
    • engine
    See full entry
    Word Originearly 18th cent.: from French, from Italian pistone, variant of pestone ‘large pestle’, augmentative of pestello ‘pestle’.
IELTS BNC: 15187 COCA: 13303
IELTS BNC: 15187 COCA: 13303
IELTS BNC: 15187 COCA: 13303
piston

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