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poikilotherm

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Poikilotherm
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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; an ectotherm.

[Greek poikilos, spotted, various; see peig- in Indo-European roots + -therm.]
poi'ki·lo·ther'mi·a (-thûr'mē-ə) n., poi'ki·lo·ther'mic (-mĭk) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Poikilotherm
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Medical Dictionary

Main Entry: poi·ki·lo·therm
Pronunciation: 'poi-ki-l&-"th&rm, (")poi-'kil-&-
Function: noun
: an organism (as a frog) with avariable body temperature that is usually slightly higher than the temperature of its environment : a cold-blooded organism called also heterotherm
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

poikilotherm poi·ki·lo·therm (poi'kə-lə-thûrm', poi-kĭl'ə-)
n.
An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings; an ectotherm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
poikilotherm   (poi-kĭl'ə-thûrm')  Pronunciation Key 
See ectotherm.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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