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photosynthesize
photosystem
phototaxis
phototherapy
phototoxic
phototransistor
phototropic
phototropism
phototropy
phototube
phototypeset
phototypesetting
photovoltaic
photovoltaic cell
photovoltaic effect
phragmites
phrasal verb
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phototropy
pho·tot·ro·py [ fō tóttrəpee ]


noun 
Definition:
 
change of color as light changes: a property of some solids whereby they change color in relation to the wavelength of the incident electromagnetic radiation, especially visible light
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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