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photodecomposition
photodegradable
photodermatology
photodiode
photodisintegration
photodriven
photoduplicate
photodynamic
photodynamics
photoelectric
photoelectric cell
photoelectric effect
photoelectron
photoemission
photoengrave
photoengraving
photoessay
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photodynamics
pho·to·dy·nam·ics [ ftō dī námmiks ]


noun 
Definition:
 
effects of light on organisms: a branch of biology dealing with the effects of light on living organisms ( takes a singular verb )

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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