/ Dictionary / Index T Terramycin: Meaning and Definition of Find definitions for: Ter•ra•my•cin Pronunciation: (ter"u-mī'sin), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of oxytetracycline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: terramycin (Thesaurus) Terra Mater terrane Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language