Breadcrumb Home > Dictionary > Index D Demon Star: Meaning and Definition of Find definitions for: De'mon Star" Pronunciation: [key] — Astron. Astron. Algol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. demonology demonstrable ✖ Related Content Daily Word Quiz: centrifugal Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language