chlorellaPronunciation: /kləˈrɛlə/Definition of chlorella noun [mass noun] Biology a common single-celled green alga of both terrestrial and aquatic habitats, responsible for turning stagnant water an opaque green. Genus Chlorella, division Chlorophyta (or phylum Chlorophyta, kingdom Protista) Origin:modern Latin, diminutive of Greek khlōros 'green'chlorella in other Oxford dictionaries Definition of chlorella in the US English dictionary
