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photo-
photo CD
photo-diary
photo finish
photo messaging
photo-offset
photo opportunity
photo story
photoactinic
photoactive
photoautotroph
photobiology
photobiotic
photoblastic
photocall
photocatalysis
photocathode
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photoactinic
pho·to·ac·tin·ic [ ftō ak tínnik ]


adjective 
Definition:
 
emitting radiation similar to light: emitting radiation similar to visible and ultraviolet light in its chemical effects on substances such as photographic emulsions
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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