/ Dictionary / Index C completely regular space: Meaning and Definition of Find definitions for: complete'ly reg'ular space' Pronunciation: [key] — Math. Math. a topological space in which, for every point and a closed set not containing the point, there is a continuous function that has value 0 at the given point and value 1 at each point in the closed set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. completely normal space complete metamorphosis Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language