/ Dictionary / Index N Neosporin: Meaning and Definition of Find definitions for: Ne•o•spo•rin Pronunciation: (nē"ō-spôr'in, -spōr'-), [key] — Pharm., Trademark. Pharm.,Trademark. a brand name for a solution primarily used in the local treatment of skin and eye infections. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: neosporin (Thesaurus) neo-Scholasticism neostigmine 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