/ Dictionary / Index I ignition point: Meaning and Definition of Find definitions for: igni'tion point" Pronunciation: [key] — Chem. Chem. SeeAlso called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ignition interlock ignition system Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language