endothermic

[en-doh-thur-mik]
adjective
1.
Chemistry. noting or pertaining to a chemical change that is accompanied by an absorption of heat (opposed to exothermic ).
2.
Zoology, warm-blooded.
Also, endothermal [en-doh-thur-muhl] .


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

endothermically, adverb
endothermy, endothermism, noun
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World English Dictionary
endothermic or endothermal (ˌɛndəʊˈθɜːmɪk)
 
adj
exothermic Compare endoergic (of a chemical reaction or compound) occurring or formed with the absorption of heat
 
endothermal or endothermal
 
adj
 
endo'thermically or endothermal
 
adv
 
endo'thermism or endothermal
 
n

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Etymonline
Word Origin & History

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

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

  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.
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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.
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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
  exothermic.
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