Meaning of “spare part” in the English Dictionary

american-english dictionary

"spare part" in American English

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spare partnoun [ C usually plural ]

us /ˈspeər ˈpɑrt/

an extra piece that can be used to replace a piece that breaks, esp. in a machine

(Definition of “spare part” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"spare part" in Business English

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spare partnoun [ C, usually plural ]

uk us

a part that can be used to replace another similar part in a car or other machine or piece of equipment:

The company produces spare parts for 90,000 engines.

(Definition of “spare part” from the Cambridge Business English Dictionary © Cambridge University Press)