/ Dictionary / Index C convection oven: Meaning and Definition of Find definitions for: convec'tion ov"en Pronunciation: [key] a gas, electric, or microwave oven equipped with a fan that circulates and intensifies the heat, thereby decreasing the normal cooking time. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. convection cell convective activity Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language