Chemistry. noting or pertaining to a chemical change that is accompanied by an absorption of heat (opposed to exothermic ).
Zoology, warm-blooded.
Also, endothermal [en-doh-thur-muhl] .

< French endothermique (1879); see endo-, -therm, -ic

endothermically, adverb
endothermy, endothermism, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To endothermic
World English Dictionary
endothermic or endothermal (ˌɛndəʊˈθɜːmɪk)
exothermic Compare endoergic (of a chemical reaction or compound) occurring or formed with the absorption of heat
endothermal or endothermal
endo'thermically or endothermal
endo'thermism or endothermal

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1884, from Fr. endothermique (1879); see endo- + thermal.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

endothermic en·do·ther·mic (ěn'dō-thûr'mĭk) or en·do·ther·mal (-məl)

  1. Of or relating to a chemical reaction during which there is absorption of heat.

  2. Of or relating to an endotherm; warm-blooded.

en'do·ther'my n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
endothermic   (ěn'dō-thûr'mĭk)  Pronunciation Key 
  1. Relating to a chemical reaction that absorbs heat. Compare exothermic.

  2. Warm-blooded.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Interesting to watch engineering involved in using sunlight directly for this endothermic reaction.
When you add a salt to water and the container feels cold, yes, an endothermic
  reaction is taking place.
Dilution of ammonium chloride is an example of an endothermic reaction.
The ionization reaction is endothermic, and the attachment reaction is slightly
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature