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phytochrome
phy·to·chrome
[
ftə krm
]
noun
Definition:
pigment in green plants:
a light-sensitive pigment in plants that controls flowering and germination of seeds
[
Late 19th century. <phyto- + Greek
khrōma
"color"
]
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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