ther·mo·pe·ri·od·ism (thûr m -pîr  - -d zm) also ther·mo·pe·ri·o·dic·i·ty (-ds-t)n. The effect on an organism of the rhythmic fluctuation of temperature, including responses associated with thermal changes accompanying the alternation of day and night. |
thermoperiodism [ˌθɜːməʊˈpɪərɪədɪzəm], thermoperiodicity [ˌθɜːməʊˌpɪərɪəˈdɪsɪtɪ]
n
(Life Sciences & Allied Applications / Botany) Botany the response of a plant to cycles of temperature fluctuation
thermoperiodic adj
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: Biologythe 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.
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