/ Dictionary / Index O oxytetracycline: Meaning and Definition of Find definitions for: ox•y•te•tra•cy•cline Pronunciation: (ok"si-te"tru-sī'klin, -klēn), [key] — n. Pharm. a dull-yellow, crystalline antibiotic powder, CHNO, produced by Streptomyces rimosus, used chiefly in treating infections caused by streptococci, staphylococci, Gram-negative bacilli, rickettsiae, and certain protozoans and viruses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oxytetracycline (Thesaurus) oxysulfide oxytocia Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language