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phototaxis
phototherapy
phototoxic
phototransistor
phototropic
phototropism
phototropy
phototube
phototypeset
phototypesetting
photovoltaic
photovoltaic cell
photovoltaic effect
phragmites
phrasal verb
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phrase book
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photorespiration
pho·to·res·pi·ra·tion [ ftō respə ráysh'n ]


noun 
Definition:
 
oxidation of carbohydrates in plants: a pathway in photosynthesis in some plants in which oxygen is absorbed and carbon dioxide released
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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