Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
photorespiration
photosensitise
photosensitive
photosensitize
photosphere
photosynthesis
photosynthesize
photosystem
phototaxis
phototherapy
phototoxic
phototransistor
phototropic
phototropism
phototropy
phototube
phototypeset
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

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.
Advertisement
© 2009 Microsoft