n.
Pronunciation: - ' pir- ē - ə - ˌ di-z ə m
Function: noun
Date: circa 1911
: a plant or animal's response or capacity to respond to photoperiod
n.
Pronunciation: - ' pir- ē - ə - ˌ di-z ə m
Function: noun
Date: circa 1911
: a plant or animal's response or capacity to respond to photoperiod
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012