BUTYRIN Meaning of BUTYRIN in English /byooh"teuhr in/ , n. Chem.a colorless, liquid ester present in butter, formed from glycerin and butyric acid. [ 1820-30; BUTYR(IC) + (GLYCER)IN ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012