from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Movement of a living organism in response to changes in temperature.
- n. Normal regulation or adjustment of body temperature.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Movement in response to temperature
from the GNU version of the Collaborative International Dictionary of English
- n. The property possessed by protoplasm of moving under the influence of heat.
- n. Determination of the direction of locomotion by heat.
from The Century Dictionary and Cyclopedia
- n. In biology, the movement of organisms in relation to heat: movement toward a higher temperature is positive thermotaxis and that toward a lower temperature negative thermotaxis.
- n. The regulation of the bodily temperature, or the adjustment of thermogenesis and thermolysis so as to secure a certain temperature.
thermo- + taxis (Wiktionary)