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photophore
photophoresis
photophosphorylation
photopia
photopigment
photopolymer
photopositive
photorealism
photoreception
photoreceptor
photoreconnaissance
photoresist
photorespiration
photosensitise
photosensitive
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photosphere
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photoreception
pho·to·re·cep·tion [ ftō ri sépsh'n ]


noun 
Definition:
 
perception of light: the perception, absorption, and use of light, e.g. for vision in animals or photosynthesis in plants

pho·to·re·cep·tive [ ftō ri séptiv ] adjective
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