photoperiod

Term: photoperiod

Literally meaning: “period of light”

Origin: Anc Greek

περίοδος/periodos (=period of time)

 > περί/peri (= around) + οδός/hodos(= way, road).

Coined/History

(?)

Definition

The duration of an a plant’s or animal’s daily exposure to light in a 24 hour period.