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Orientation movement of a motile organism in response to the stimulus of a temperature gradient.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



the movement of freely moving plants and animals as a result of unilateral thermal stimulation. Positive ther-motaxis is movement toward the higher temperature, and negative thermotaxis is movement toward the lower temperature.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.