photoperiod

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English[edit]

Etymology[edit]

photo- +‎ period

Noun[edit]

photoperiod (plural photoperiods)

(biology) The normal duration of natural daylight experienced by an organism; daylength

Synonyms[edit]

day, daylength; see also Thesaurus:daytime

Antonyms[edit]

scotoperiod; see also Thesaurus:nighttime

Derived terms[edit]

photoperiodism

Translations[edit]

duration of daylight

Italian: fotoperiodo (it) m

See also[edit]

circadian rhythm

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