/ Dictionary / Index C chlorella: Meaning and Definition of Find definitions for: chlo•rel•la Pronunciation: (klu-rel'u), [key] — n. any freshwater, unicellular green alga of the genus Chlorella. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chlorella (Thesaurus) chlordiazepoxide chlorenchyma Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language