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idiopathic

/ˌɪdiəˈpæθɪk/  ·  say it: id·ee·uh·PATH·ik

of a disease arising from an unknown cause

In Medicine & Health

In more detail

(adjective) (of a disease or condition) arising spontaneously or from an unknown cause, without an identifiable external cause or preceding disease

Examples

• The patient was diagnosed with idiopathic pulmonary fibrosis, meaning the doctors could not determine why her lungs were scarring.

Nearby in Medicine & Health

efficacy, endoscopy, gastrointestinal, ischemia, necrosis, neoplasm