/ Dictionary / Index S simple arc: Meaning and Definition of Find definitions for: sim'ple arc' Pronunciation: [key] — Math. Math. a curve that does not cross itself and has no points missing; a curve that can be put into one-to-one correspondence with the closed interval from 0 to 1. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. simple algebraic extension simple carbohydrate Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language