n.
Maintenance of a constant internal body temperature independent from the environmental temperature: mammalian thermoregulation.
thermoregulatory ther'mo·reg'u·la·to'ry (-rĕg'yə-lə-tôr'ē, -tōr'ē) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.