| blue-green alga (blōō'grēn') n. See cyanobacterium. |
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. |
blue-green alga (bl 'grēn') Pronunciation Key
See under cyanobacterium. |