retrofit meaning and definition

RETROFIT noun

Definition of retrofit (noun)

1. a component or accessory added to something after it has been manufactured
2. the act of adding a component or accessory to something that did not have it when it was manufactured
   • "the court ordered a retrofit on all automobiles"

RETROFIT verb

Definition of retrofit (verb)

1. provide with parts, devices, or equipment not available or in use at the time of the original manufacture
   • "They car companies retrofitted all the old models with new carburetors"
2. fit in or on an existing structure, such as an older house
   • "The mansion was retrofitted with modern plumbing"
3. substitute new or modernized parts or equipment for older ones
   • "The laboratory retrofitted to meet the safety codes"