poikilotherm

[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.

poikilotherm in Science

poikilotherm

[poi-kĭl′ə-thûrm′]

See ectotherm.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.