/ Dictionary / Index A air gap: Meaning and Definition of Find definitions for: air' gap" Pronunciation: [key] the space between two objects magnetically related, as between the rotor and the stator in a dynamo, or between two objects electrically related, as between the electrode and the tip of a spark plug. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. air freshener air gas Related Content Daily Word Quiz: leonine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language