Any unmalted grain used in making beer. It's starches must be gelatinized and mashed with the enzymes from malted grains, in order to turn them into sugars. It is very undesirable to put unconverted starches into your beer.
IS ANY FERMENTABLE INGREDIENT ADDED TO BEER EXCEPT FOR MALTED BARLEY AND MALTED WHEAT
An unmalted fermentable ingredient, like honey or sugar. It is used to increase the alcohol or add to the flavor. Adjunct grains, like corn or rice, can be added to lighten the flavor of the beer.