Definition of "retrofitting" [retrofitting]

• Present participle of retrofit. (verb)

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• "Audits are important, and retrofitting is important, but we need to step into the new century to achieve real efficiencies - not just recycle Carter Administration ideas. bread and roses"
• "The retrofitting is a much more difficult problem."
• "Yep, I have always thought wind turbine projects could “offset” any bird kills by investing in retrofitting skyscrapers and other building projects."