poikilothermic

or poi·ki·lo·ther·mal

[ poi-kuh-loh-thur-mik, poi-kil-uh- ]
/ ˌpɔɪ kə loʊˈθɜr mɪk, pɔɪˌkɪl ə- /

adjective Zoology.


Nearby words

  1. poikilocyte,
  2. poikilocytosis,
  3. poikiloderma,
  4. poikilotherm,
  5. poikilothermia,
  6. poikilothermism,
  7. poil,
  8. poilu,
  9. poimenics,
  10. poincaré

Origin of poikilothermic

1880–85; < Greek poikílo(s) various + thermic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for poikilothermal

poikilothermic

poikilothermal (ˌpɔɪkɪləʊˈθɜːməl)

/ (ˌpɔɪkɪləʊˈθɜːmɪk) /

adjective

(of all animals except birds and mammals) having a body temperature that varies with the temperature of the surroundingsCompare homoiothermic
Derived Formspoikilothermism or poikilothermy, noun

Word Origin for poikilothermic

C19: from Greek poikilos various + thermal

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for poikilothermal

poikilothermic

[ poi′kə-lō-thûrmĭk ]

adj.

Of or relating to an organism having a body temperature that varies with the temperature of its surroundings; cold-blooded.
Capable of existing and growing in media of varying temperatures.
Related formspoi′ki•lo•thermi•a null n.


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.