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

British Dictionary definitions for blue-green algae

blue-green algae

pl n

the former name for cyanobacteria