Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun blue-green_algae

1 sense of blue-green algae

Sense 1
cyanobacteria, blue-green algae -- (predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton)
       => eubacteria, eubacterium, true bacteria -- (a large group of bacteria having rigid cell walls; motile types have flagella)