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photocell
photochemical
photochemical smog
photochemistry
photochemotherapy
photochromic
photocoagulation
photocomposition
photoconduction
photoconductivity
photocopier
photocopy
photocurrent
photodecomposition
photodegradable
photodermatology
photodiode
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photoactive
pho·to·ac·tive [ ftō áktiv ]


adjective 
Definition:
 
reacting to light: exhibiting a reaction to electromagnetic radiation, especially visible light, either by chemical reaction or photoelectrically
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