/ Dictionary / Index S spectinomycin: Meaning and Definition of Find definitions for: spec•ti•no•my•cin Pronunciation: (spek"tu-nō-mī'sin), [key] — n. Pharm. an antibiotic drug, CHNO, produced by the actinomycete Streptomyces spectabilis, used in the treatment of susceptible gonorrhea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: spectinomycin (Thesaurus) specter spectra Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language