Definition of pathognomonic in English:

pathognomonic

adjective

Medicine
  • (of a sign or symptom) specifically characteristic or indicative of a particular disease or condition.

    ‘body image disturbance is pathognomonic of anorexia nervosa’
    • ‘Point tenderness, a pathognomonic sign of a bone lesion, can be used to localize the fracture.’
    • ‘These latter changes, although not pathognomonic, can support a diagnosis of AIP.’
    • ‘Few tests yield results that are pathognomonic for particular diseases.’
    • ‘Unlike SCD, there is no pathognomonic radiological finding.’
    • ‘Even though they are pathognomonic for the disease, their absence should not exclude the diagnosis.’

Origin

Early 17th century: from Greek pathognōmonikos ‘skilled in diagnosis’, from pathos ‘suffering’ + gnōmōn ‘judge’.

Pronunciation

pathognomonic

/ˌpaθəɡnə(ʊ)ˈmɒnɪk/