blue-green algae
plural noun Biology.
a widely distributed group of predominantly photosynthetic prokaryotic organisms of the subkingdom Cyanophyta, resembling phototrophic bacteria, occurring singly or in colonies in diverse habitats: some species can fix atmospheric nitrogen.
Nearby words
blue-eyed grass, blue-eyed mary, blue-eyed soul, blue-green, blue-green alga, blue-green algae, blue-headed vireo, blue-jeaned, blue-leg, blue-on-blue, blue-pencil
Origin of blue-green algae
First recorded in 1895–1900
Also called cyanobacteria.
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British Dictionary definitions for blue-green alga
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Science definitions for blue-green alga
blue-green alga
[ blōō′grēn′ ]
See under cyanobacterium.
The American Heritage® Science Dictionary
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