Culinarily, to boil a liquid (usually stock, wine or a sauce mixture) rapidly until the volume is reduced by evaporation, thereby thickening the consistency and intensifying the flavor. Such a mixture is sometimes referred to as a reduction.
Culinarily, to boil a liquid (usually stock, wine or a sauce mixture) rapidly until the volume is reduced by evaporation, thereby thickening the consistency and intensifying the flavor. Such a mixture is sometimes referred to as a reduction.