noun \fō-ˈtäl-ə-səs\
plural pho·tol·y·ses \-ˌsēz\

Definition of PHOTOLYSIS

: chemical decomposition by the action of radiant energy—compare radiolysis
pho·to·lyt·ic \ˌfōt-əl-ˈit-ik\ adjective
pho·to·lyt·i·cal·ly \-i-k(ə-)lē\ adverb

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