Phthĭ'sis, n.

(thĭ'sis) (Synop., § 130), n. [Lat. phthisis, Gr. φθίσις, from φθίειν, to pass or waste away; Fr. phthisie, Sp. tisis, tisica, It. tise, tisia, tisica, tisico.] (Med.) Consumption of the lungs; formerly applied, also, to many wasting diseases.