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phototypeset
phototypesetting
photovoltaic
photovoltaic cell
photovoltaic effect
phragmites
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phototaxis
pho·to·tax·is [ ftō táksiss ]


noun 
Definition:
 
movement of organism caused by light: movement of an organism either toward or away from a source of light
[Late 19th century]

pho·to·tac·tic adjective
pho·to·tac·ti·cal·ly [ ftō táktikəlee ] adverb
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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