Alkali

al'ka-li or -IT, n. (Chem.) One of a cla of caustic bases, which are soluble in water and alcohol, unite with oils and fats to form soap, neutralize and change reddened litmus to blue. — AKkaline, -lin or -lin, a. Having the qualities of, etc. — Alkalinity, n. Quality which constitutes, etc. — Alkaliza'tion, n. The act of rendering alkaline by impregnating with, etc. — Al'kalize, -Hz, v. t. To alkalify. — Al'kaloid, n. (Chem.) A salifiable base existing in some vegetables as a proximate principle. — Alkaloid'al, a.