au·tol·y·sin (ô-tŏl'ĭ-sĭn, ô'tə-lī'sĭn) n. A substance, such as an enzyme, that is capable of destroying the cells or tissues of an organism within which it is produced.
autolysin au·tol·y·sin (ô-tŏl'ĭ-sĭn, ô'tə-lī'sĭn) n. A substance, such as an enzyme, that is capable of destroying the cells or tissues of an organism within which it is produced. Also called autocytolysin.