American Heritage® Dictionary of the English Language, Fourth Edition
- n. See cyanobacterium.
- n. Any member of the cyanobacteria; a primitive photosynthetic organism similar to bacteria which is thought to have generated the first oxygen in the Earth's atmosphere.
GNU Webster's 1913
- any of a group of photosynthetic microorganisms possessing characteristics of both bacteria and plants. When classed as bacteria, they are assigned to the Cyanobacteria; when classed as plants, they are assigned to the Cyanophyta. They are now known to be prokaryotic, and are usually called
cyanobacteriain technical contexts. See cyanobacterium.
Sorry, no example sentences found.
‘blue-green alga’ hasn't been added to any lists yet.
Looking for tweets for blue-green alga.