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retrofit

[v. re-troh-fit, re-troh-fit; n., adj. re-troh-fit] /v. ˈrɛ troʊˌfɪt, ˌrɛ troʊˈfɪt; n., adj. ˈrɛ troʊˌfɪt/
verb (used with object), retrofitted or retrofit, retrofitting.
1.
to modify equipment (in airplanes, automobiles, a factory, etc.) that is already in service using parts developed or made available after the time of original manufacture.
2.
to install, fit, or adapt (a device or system) for use with something older:
to retrofit solar heating to a poorly insulated house.
verb (used without object), retrofitted or retrofit, retrofitting.
3.
(of new or modified parts, equipment, etc.) to fit into or onto existing equipment.
4.
to replace existing parts, equipment, etc., with updated parts or systems.
noun
5.
something that has been retrofitted.
6.
an instance of updating, enlarging, etc., with new or modified equipment:
A retrofit could save thousands of dollars.
adjective
7.
being or characterized by a retrofit:
retrofit units.
Origin
retro- + fit1
Related forms
retrofittable, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for retrofit
  • Especially if every food producer would retrofit their gas tanks to run on restaurant grease.
  • Our technology can be used to retrofit existing parabolic troughs and solar power towers to increase their efficiency.
  • The old model for operating rooms was that hospitals would build anew or retrofit old rooms to accommodate new technologies.
  • One idea is to give direct incentives for homeowners to retrofit their homes to improve energy efficiency.
  • They can retrofit old plants: plenty have done that, too.
  • To mitigate climate chaos and avoid economy-wrecking energy shortages, workers must repower, rewire and retrofit whole nations.
  • Even energy companies agree that attempts to retrofit insulation can only do so much.
  • The biggest existing plants are supposed to retrofit such equipment.
  • It is quite possible to design or retrofit plants to survive events of even this magnitude.
  • People typically don't think of installing solar thermal when they build or retrofit their homes.
British Dictionary definitions for retrofit

retrofit

/ˈrɛtrəʊˌfɪt/
verb -fits, -fitting, -fitted
1.
(transitive) to equip (a vehicle, piece of equipment, etc) with new parts, safety devices, etc, after manufacture
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for retrofit
v.

1954, from retro- + fit (v.). Related: Retrofitted; retrofitting. As a noun, 1956, from the verb.

Online Etymology Dictionary, © 2010 Douglas Harper
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