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.
Also called
cyanobacteria.
Origin of blue-green algae
First recorded in 1895–1900
Words nearby blue-green algae
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
British Dictionary definitions for blue-green alga
Scientific definitions for blue-green alga
blue-green alga
[ blōō′grēn′ ]
See under cyanobacterium.