/ Dictionary / Index N NGC: Meaning and Definition of Find definitions for: NGC Pronunciation: [key] — Astron. Astron. New General Catalogue: a catalog of clusters, nebulae, and galaxies compiled by Danish astronomer Johan Ludwig Dreyer (1852–1926) and published in 1888. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. n'gana NGF Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language