American English

Definition of retrofit verb from the Oxford Advanced American Dictionary



retrofit somethingVerb Forms present simple I / you / we / they retrofit
he / she / it retrofits
past simple retrofitted
-ing form retrofitting
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to put a new piece of equipment into a machine that did not have it when it was built; to provide a machine with a new part, etc. Voice recorders were retrofitted into planes already in service. They retrofitted the plane with improved seating.
retrofit noun
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