Lauric acid \Lauric acid\ (Chem.), a white, crystalline substance, {CH3.(CH2)10.COOH}, resembling palmitic acid, and obtained from the fruit of the bay tree, and various other vegetable sources. The sodium salt ({sodium lauryl sulfate}) is used as a detergent. Syn: dodecanoic acid, laurostearic acid, dodecoic acid. [1913 Webster + PJC]