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Related to thermoperiodism: photoperiodism


 (thûr′mō-pîr′ē-ə-dĭz′əm) also ther·mo·pe·ri·o·dic·i·ty (-dĭs′ĭ-tē)
The effect on an organism of the rhythmic fluctuation of temperature, including responses associated with thermal changes accompanying the alternation of day and night.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌθɜːməʊˈpɪərɪədɪzəm) or


(Botany) botany the response of a plant to cycles of temperature fluctuation
ˌthermoˌperiˈodic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

thermoperiodism, thermoperiodicity

the effect on the growth and reproduction of plants or animals of timed exposures to varied temperatures. — thermoperiod, n.thermoperiodic, adj.
See also: Biology
the study of the relative day and night temperatures required, in a 24-hour period, to achieve the best growth, reproduction, or flowering of plant species or the growth and reproduction of animals. Also thermoperiodicity. Cf. photoperiodism. — thermoperiodic, thermoperiodical, adj.
See also: Plants
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Bruce, "Daily rhythms as coupled oscillator systems and their relation to thermoperiodism and photoperiodism," in Photoperiodism and Related Phenomena in Plants and Animals, vol.
Two important terms to be familiar with when exploring the literature on temperature effects in plants are thermotropism, which is the plant's response to temperature, and thermoperiodism, which is the plant's response to changes in day and night temperature.