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thermoperiodicity

[thur-moh-peer-ee-uh-dis-i-tee] /ˌθɜr moʊˌpɪər i əˈdɪs ɪ ti/
noun, Biology.
1.
the effect on an organism of rhythmic fluctuations in temperature.
Also, thermoperiodism
[thur-moh-peer-ee-uh-diz-uh m] /ˌθɜr moʊˈpɪər i əˌdɪz əm/ (Show IPA)
.
Origin of thermoperiodicity
1940-1945
First recorded in 1940-45; thermo- + periodicity
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for thermoperiodism

thermoperiodism

/ˌθɜːməʊˈpɪərɪədɪzəm/
noun
1.
(botany) the response of a plant to cycles of temperature fluctuation
Derived Forms
thermoperiodic, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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