Meanings
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1
noun
dated medicine: a progressive wasting disease, especially pulmonary tuberculosis
The nineteenth-century report recorded the worker's death from pulmonary phthisis.
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2
noun
medicine: wasting or atrophy of the body or of a particular organ
The old casebook used phthisis for severe wasting of the affected tissue.
Thesaurus
Synonyms
Word family
Forms
phthisical
Derived forms
phthisicalphthisic
Etymology
Borrowed in the sixteenth century from Latin phthisis, from Greek phthisis, 'wasting away or decline,' from phthinein, 'to waste away.' Physicians applied it broadly to consumptive wasting and especially to pulmonary tuberculosis, the disease long known in English as consumption.