retrofit

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retrofit

[′re·trō‚fit]
(engineering)
A modification of equipment to incorporate changes made in later production of similar equipment; it may be done in the factory or field. Derived from retroactive refit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Retrofit

To make an improvement to an existing building, or to adapt it to a new use. Also, the replacement, upgrade, or improvement of a piece of equipment or structure in an existing building or facility.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

retrofit

The addition of new building materials, building elements, and components, not provided in the original construction. See building retrofit.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

retrofit

A modification of an aircraft or another piece of equipment to incorporate changes made in later productions of a similar type.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
All it takes to designate yourself a seismic retrofitter is a contractor's license.
The retrofitter is then offered free training on the control, says Mr Weber, to make sure he feels confident in working with Heidenhain controls.
How close it comes depends on machine condition, correct component selection, and how well the retrofitter does his job.
"We work very hard to innovate and introduce unique solutions, we feel this product offers a much needed solution to sign manufacturers and retrofitters," product manager Rob Setian said.
ILP is an innovative manufacturer of energy-efficient luminaires and retrofit solutions with over 14 years of experience supporting builders and retrofitters with green building initiatives.
In California, Siemens is working with vehicle manufacturer Volvo and local truck retrofitters on a demonstration project for the South Coast Air Quality Management District (SCAQMD).
For energy auditors and retrofitters who work in a weatherization program or private arena, Stan Harbuck, a energy auditor, energy manager, building commissioning professional, and measurement and verification professional, and Donna Harbuck, who has worked in a government research laboratory, outline the procedures, techniques, and standards of residential energy auditing.
Retrofitters, ESCO's & distributors: If it's taking your team too long to audit, quote and complete lighting & energy retrofit projects, come see SnapCount from StreamLinx.
This includes smaller firms, and perhaps a new specialty class of energy retrofitters will emerge from other businesses, like building management or maintenance companies that hire trained professionals enabled by these new energy assessment apps.
You probably would not expect to turn an ancient manual mill into a state-of-the-art CNC, but retrofitters, rebuilders, and remanufacturers are often asked to quote on upgrading worn out "disposable" machines into top-of-the-line precision tools.
OEMs install them on Hew factory vehicles, while retrofitters convert existing vehicles and engines.