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photoactinic
photoactive
photoautotroph
photobiology
photobiotic
photoblastic
photocall
photocatalysis
photocathode
photocell
photochemical
photochemical smog
photochemistry
photochemotherapy
photochromic
photocoagulation
photocomposition
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photo-
photo-


prefix 
Definition:
 
1. light, radiant energy
photochemistry
photic
2. photographic
photomontage
3. photoelectric
photocurrent
[< Greek phōt- "light" < Indo-European, "to shine"]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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