Lith`on*trip"tic (?), a. [Gr. li`qos, acc. &?;, a stone + &?; to rub, grind: cf. F. lithontriptique.] (Med.) Having the quality of, or used for, dissolving or destroying stone in the bladder or kidneys; as, lithontriptic forcéps. -- n. A lithontriptic remedy or agent, as distilled water.