Also en·do·ther·mal [en-doh-thur-muh l] /ˌɛn doʊˈθɜr məl/.

Origin of endothermic

< French endothermique (1879); see endo-, -therm, -ic
Related formsen·do·ther·mi·cal·ly, adverben·do·ther·my, en·do·ther·mism, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for endothermal



  1. (of a chemical reaction or compound) occurring or formed with the absorption of heatCompare exothermic, endoergic
Derived Formsendothermically, adverbendothermism, noun
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

Word Origin and History for endothermal



1884, from French endothermique (1879); see endo- + thermal.

Online Etymology Dictionary, © 2010 Douglas Harper

endothermal in Medicine


  1. Of or relating to a chemical reaction during which there is absorption of heat.
  2. Of or relating to an endotherm; warm-blooded.
Related formsendo•ther′my n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

endothermal in Science


  1. Relating to a chemical reaction that absorbs heat. Compare exothermic.
  2. Warm-blooded.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.