photoperiodism
noun
pho·to·pe·ri·od·ism ˌfō-tō-ˈpir-ē-ə-ˌdi-zəm 
: a plant's or animal's response or capacity to respond to photoperiod
Word History
First Known Use
circa 1911, in the meaning defined above
Medical Definition
photoperiodism
noun
pho·to·pe·ri·od·ism -ˈpir-ē-ə-ˌdiz-əm
variants also photoperiodicity
-ˌpir-ē-ə-ˈdis-ət-ē
plural photoperiodisms also photoperiodities
: the response or the capacity to respond to photoperiod
- superabundances
- superabundancy
- superabundant
- superabundantly
- superaccurate
- superachiever
- superachievers
- superacid
- superactivities
- superactivity
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- superadded
- superadding
- superaddition
- superadditions
- superadds
- superadministrator
- superadministrators
- superaerodynamics
- superagencies
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- superalkaline
- superalloy