scotoperiod

English

Alternative forms

• skotoperiod

Etymology

scoto- +‎ period

Noun

scotoperiod (plural scotoperiods)

1. (biology) The period of darkness, or absence of daylight, experienced by an organism.

Synonyms

• night; see also Thesaurus:nighttime

Antonyms

• daylength, photoperiod; see also Thesaurus:daytime