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photosphere
photosynthesis
photosynthesize
photosystem
phototaxis
phototherapy
phototoxic
phototransistor
phototropic
phototropism
phototropy
phototube
phototypeset
phototypesetting
photovoltaic
photovoltaic cell
photovoltaic effect
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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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