from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To provide (a jet, automobile, computer, or factory, for example) with parts, devices, or equipment not in existence or available at the time of original manufacture.
- transitive v. To install or fit (a device or system, for example) for use in or on an existing structure, especially an older dwelling.
- intransitive v. To fit into or onto equipment already in existence or service.
- intransitive v. To substitute new or modernized parts or systems for older equipment: an industrial plant that was retrofitting to meet new safety regulations.
- n. Something that has been retrofitted or that has undergone retrofitting.
- n. An instance of modernizing or expanding with new or modified parts, devices, systems, or equipment: a retrofit for the heating system.
- adj. Relating to or being a retrofit: a retrofit kit for the homeowner; an energy-saving retrofit program; a large retrofit market.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To add or substitute new parts or components to some device, structure etc., that were not previously available; to modernize
- v. To fix an older version (or older versions) as part of the same process of fixing the newest version; to backport
- n. Something that has been retrofitted
- n. The act of retrofitting
- adj. of, relating to, or being a retrofit
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. substitute new or modernized parts or equipment for older ones
- v. fit in or on an existing structure, such as an older house
- n. the act of adding a component or accessory to something that did not have it when it was manufactured
- v. provide with parts, devices, or equipment not available or in use at the time of the original manufacture
- n. a component or accessory added to something after it has been manufactured
Blend of retro- and refit (Wiktionary)