photoperiod
Origin of photoperiod
1Other words from photoperiod
- pho·to·pe·ri·od·ic [foh-tuh-peer-ee-od-ik], /ˌfoʊ təˌpɪər iˈɒd ɪk/, pho·to·pe·ri·od·i·cal, adjective
- pho·to·pe·ri·od·i·cal·ly, adverb
Words Nearby photoperiod
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use photoperiod in a sentence
Broad limits to functional reproductive activity seem to be set by the photoperiod—neuroendocrine system.
The Breeding Birds of Kansas | Richard F. JohnstonThese captives had been kept for several months at a temperature of 21 degrees Centigrade, and on a daily photoperiod of 15 hours.
The mice were kept in a room in which temperature and photoperiod were controlled.
In general, Tb's showed a marked circadian cycle in phase with photoperiod.
British Dictionary definitions for photoperiod
/ (ˌfəʊtəʊˈpɪərɪəd) /
the period of daylight in every 24 hours, esp in relation to its effects on plants and animals: See also photoperiodism
Derived forms of photoperiod
- photoperiodic, adjective
- photoperiodically, adverb
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
Scientific definitions for photoperiod
[ fō′tō-pîr′ē-əd ]
The duration of an organism's daily exposure to light, considered especially with regard to the phenomena of photoperiodism.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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