单词	photochemistry
释义	photochemistry noun pho·​to·​chem·​is·​try ˌfō-tō-ˈke-mə-strē  1 : a branch of chemistry that deals with the effect of radiant energy in producing chemical changes 2 a : photochemical properties the photochemistry of gases b : photochemical processes photochemistry of vision photochemist ˌfō-tō-ˈke-mist  noun Word History First Known Use 1860, in the meaning defined at sense 1 Medical Definition photochemistry noun pho·​to·​chem·​is·​try -ˈkem-ə-strē  plural photochemistries 1 : a branch of chemistry that deals with the effect of radiant energy in producing chemical changes 2 a : photochemical properties the photochemistry of gases b : photochemical processes the photochemistry of vision
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