from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state of being neutral with regard to heat effects; the state of being thermoneutral
- n. The heat-neutral temperature for a given animal: the temperature at which it does not need to regulate its body temperature
from the GNU version of the Collaborative International Dictionary of English
- n. Neutrality as regards heat effects.
from The Century Dictionary and Cyclopedia
- n. Neutrality as regards change of temperature; specifically, the property exhibited by salt solutions (see below) in consequence of which they may be mixed without producing appreciable change of temperature.
thermoneutral + -ity (Wiktionary)