[sahy-uh-noh-bak-teer-ee-uh, sahy-an-oh-] 
[-teer-ee-uh
m] . Biology. | blue-green algae. |
| cy·a·no·bac·te·ri·um (sī'ə-nō-bāk-tîr'ē-əm, sī-ān'ō-) n. pl. cy·a·no·bac·te·ri·a (-tîr'ē-ə) A photosynthetic bacterium of the class Coccogoneae or Hormogoneae, generally blue-green in color and in some species capable of nitrogen fixation. Cyanobacteria were once thought to be algae. Also called blue-green alga. |
Cyanobacteria Cy·a·no·bac·te·ri·a (sī'ə-nō-bāk-tēr'ē-ə)
n.
A group of Procaryotae consisting of unicellular or filamentous gram-negative microorganisms that are either nonmotile or possess a gliding motility, may reproduce by binary fission, and photosynthetically produce oxygen; some species capable of fixing nitrogen. Members of this phylum were formerly called blue-green algae.