[blue-green alga] n (1899): any of a group of photosynthetic microorganisms classified as either plants (division Cyanophyta) or bacteria (division Cyanobacteria) because they possess characteristics of both plants and bacteria--called also cyanobacterium
BLUE-GREEN ALGA
Meaning of BLUE-GREEN ALGA in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012