/ Dictionary / Index S strong derived set: Meaning and Definition of Find definitions for: strong' derived' set' Pronunciation: [key] — Math. Math. the set of all strong accumulation points of a given set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. strong breeze strong force Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language