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photochemical
photochemical smog
photochemistry
photochemotherapy
photochromic
photocoagulation
photocomposition
photoconduction
photoconductivity
photocopier
photocopy
photocurrent
photodecomposition
photodegradable
photodermatology
photodiode
photodisintegration
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photoautotroph
pho·to·au·to·troph [ ftō áwtə tròf, ftō áwtə trf ] (plural pho·to·au·to·trophs)


noun 
Definition:
 
organism deriving energy from light: an organism that derives its energy exclusively from light and uses it to synthesize food

pho·to·au·to·troph·ic [ ftō awtə tróffik, ftō awtə trṓfik ] adjective
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