photoperiod

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photoperiod

 [fo´to-pēr″e-od]
the period of time per day that an organism is exposed to daylight (or to artificial light). adj., adj photoperiod´ic.

photoperiod

/pho·to·pe·ri·od/ (fo´to-pēr″e-od) the period of time per day that an organism is exposed to daylight (or to artificial light).photoperiod´ic

photoperiod

(fō′tō-pîr′ē-əd)
n.
The daily duration of light and dark to which an organism is exposed, considered especially with regard to its effect on growth and development.

pho′to·pe′ri·od′ic (-ŏd′ĭk) adj.

photoperiod

the length of daylight as compared with the length of darkness in each 24 hour cycle. see PHOTOPERIODISM.

photoperiod

the period of time per day that an organism is exposed to daylight (or to artificial light).