Advertisement - Continue reading below

Definition of "poikilotherm" []

  • An organism, such as a fish or reptile, having a body temperature that varies with the temperature of its surroundings; an ectotherm. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "poikilotherm" in a sentence
  • "Joe G: poikilotherm is the one who alleges ID is science albeit "fringe" science (whatever that means)."
  • "December 30th, 2005 at 6: 22 pm tika, poikilotherm is the one who alleges ID is science albeit "fringe" science (whatever that means)."
  • "I've always been pretty baffled by LeBlond and Bousfield's conclusions, wouldn't a reptilian poikilotherm in 40-50 degree water be pretty much unfunctional?"