/ Dictionary / Index C chemotroph: Meaning and Definition of Find definitions for: che•mo•troph Pronunciation: (kē'mu-trof", -trôf", -trōf", kem"u-), [key] — n. Bacteriol., Biol. any organism that oxidizes inorganic or organic compounds as its principal energy source. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. chemotherapy chemotropism Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language