photoperiod

English

Etymology

From photo- +‎ period.

Noun

photoperiod (plural photoperiods)

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

Synonyms

• day, daylength; see also Thesaurus:daytime

Antonyms

• scotoperiod; see also Thesaurus:nighttime

Derived terms

• photoperiodism

Translations

duration of daylight

• Italian: fotoperiodo (it) m

See also

• circadian rhythm