[koh-jen-uh-rey-shuh n]
noun Energy.
  1. utilization of the normally wasted heat energy produced by a power plant or industrial process, especially to generate electricity.

Origin of cogeneration

First recorded in 1975–80; co- + generation Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for cogeneration


  1. another name for CHP
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

cogeneration in Science


  1. A process in which an industrial facility uses its waste energy to produce heat or electricity. Compare trigeneration.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.