/ Dictionary / Index S sequentially compact set: Meaning and Definition of Find definitions for: sequen'tially compact' set' Pronunciation: [key] — Math. Math. a set in which every sequence has a subsequence that converges to a point of the set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sequential analysis sequester Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language