Also en·do·ther·mal [en-doh-thur-muh l] /ˌɛn doʊˈθɜr məl/.
Origin of endothermic
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Of or relating to a chemical reaction during which there is absorption of heat.
Of or relating to an endotherm; warm-blooded.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Relating to a chemical reaction that absorbs heat. Compare exothermic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.