ectothermic
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Related to ectothermal: ectothermic, endothermal
ec·to·ther·mic
(ĕk′tə-thûr′mĭk) also ec·to·ther·mal (ĕk′tə-thûr′məl)adj.
Of or relating to an organism that regulates its body temperature largely by exchanging heat with its surroundings; cold-blooded.
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.
ectothermic
(ˌɛktəʊˈθɜːmɪk)adj
(of all animals except birds and mammals) having a body temperature that varies with the temperature of the surroundings
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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| Adj. | 1. | ectothermic - 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) |
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