/ Dictionary / Index A Achromycin: Meaning and Definition of Find definitions for: Ach•ro•my•cin Pronunciation: (ak"rō-mī'sin), [key] — Pharm., Trademark. Pharm.,Trademark. a brand of tetracycline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: achromycin (Thesaurus) A chromosome Achsah Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language