Retrofit
/rˈɛtroʊˌfɪt/
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Definition
(verb) To supply (a device, structure, etc.) with new components or parts that were not previously available or installed; to modernize.
Sentence Examples
Tom refused to allow the robot to return a change in the retrofit frame.
CEFR Practice Quiz
The council decided to ____ the old streetlights with energy-efficient LED bulbs to reduce costs.