noun
predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton
• Syn: ↑blue-green algae
• Derivationally related forms: ↑cyanobacterial
• Hypernyms: ↑eubacteria, ↑eubacterium, ↑true bacteria
• Hyponyms: ↑nostoc, ↑trichodesmium
• Member Holonyms: ↑class Cyanobacteria, ↑Cyanophyceae, ↑class Cyanophyceae
Useful english dictionary. 2012.