PHTHISIS Meaning of PHTHISIS in English transcription, транскрипция: [ ˈθaɪsɪs ]n. any progressive wasting disease, esp. pulmonary tuberculosis. øøphthisic adj. phthisical adj. [L f. Gk f. phthino to decay] English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012