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vb. (present participle of retrofit English)

  1. n. 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"

  3. 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"

  4. fit in or on an existing structure, such as an older house; "The mansion was retrofitted with modern plumbing"

  5. substitute new or modernized parts or equipment for older ones; "The laboratory retrofitted to meet the safety codes"

  6. [also: retrofitting, retrofitted]


See retrofit


Retrofitting refers to the addition of new technology or features to older systems.

  • power plant retrofit, improving power plant efficiency / increasing output / reducing emissions
  • home energy retrofit, the improving of existing buildings with energy efficiency equipment
  • seismic retrofit, the process of strengthening older buildings in order to make them earthquake resistant

Usage examples of "retrofitting".

EL-3, posing other problems in retrofitting the devices into already customized communications equipment and military gear.

Navy was already looking at the logistics of rotating current capitol ships (meaning Aircraft Carriers, the big Amphibious Assault ships and the AEGIS ships) into dry docks for retrofitting the turrets and weapons systems.

It had to be divine intervention, because that helped to keep everyone talking about safe subjects, like retrofitting the new location into what they'd need to survive in the futureā€¦.