poikilothermic

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poi·kil·o·therm

 (poi-kĭl′ə-thûrm′)
n.
An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings.

[Greek poikilos, spotted, various; see peig- in Indo-European roots + -therm.]

poi′ki·lo·ther′mi·a (-thûr′mē-ə), poi′ki·lo·ther′my (-thûr′mē) n.
poi′ki·lo·ther′mic (-mĭk) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

poikilothermic

(ˌpɔɪkɪləʊˈθɜːmɪk) or

poikilothermal

adj
(Zoology) (of all animals except birds and mammals) having a body temperature that varies with the temperature of the surroundings. Compare homoiothermic
[C19: from Greek poikilos various + thermal]
ˌpoikiloˈthermism, ˌpoikiloˈthermy n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.poikilothermic - of animals except birds and mammals; having body temperature that varies with the environment
cold-blooded - having cold blood (in animals whose body temperature is not internally regulated)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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