/ Dictionary / Index D diamond ring effect: Meaning and Definition of Find definitions for: dia'mond ring' effect" Pronunciation: [key] — Astron. Astron. a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diamond-point spoon diamond skin disease Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language