1
retrofit (v.)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
retrofit (v.)fit in or on an existing structure, such as an older house;
The mansion was retrofitted with modern plumbing
retrofit (v.)substitute new or modernized parts or equipment for older ones;
The laboratory retrofitted to meet the safety codes
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