yielding an acid in aqueous solution
having a sour acidic taste
not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)
wash with acid so as to achieve a bleached look
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
being sour to the taste
street name for lysergic acid diethylamide