/ Dictionary / Index N neostigmine: Meaning and Definition of Find definitions for: ne•o•stig•mine Pronunciation: (nē"ō-stig'mēn, -min), [key] — n. Pharm. a synthetic anticholinesterase, CHNO, used in the treatment of myasthenia gravis, glaucoma, and postoperative urinary bladder distention. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: neostigmine (Thesaurus) Neosporin neostyle Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language