/ Dictionary / Index A almost periodic function: Meaning and Definition of Find definitions for: al'most period'ic func'tion Pronunciation: [key] — Math. Math. a function that repeats its values approximately at almost equally spaced intervals of its domain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. almost everywhere almous Related Content Daily Word Quiz: sylvan Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language