/ Dictionary / Index A angle of slide: Meaning and Definition of Find definitions for: an'gle of slide' Pronunciation: [key] — Geol. Geol. the minimum slope, measured in degrees from the horizontal, at which loose solid material will start to slide or flow. Cf. angle of repose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. angle of roll angle of stall Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language