chlo·rel·la (klə-rěl'ə) n. Any of various unicellular green algae of the genus Chlorella, easily cultured and often used in studies of photosynthesis and other experiments.
[New Latin Chlōrella, genus name, from Greek khlōros, green; see chloro-.]
Main Entry: chlo·rel·la Pronunciation: kl&-'rel-& Function: noun 1capitalized: a genus of unicellular green algaepotentially a source of high-grade protein and B-complex vitamins 2: any alga of the genus Chlorella