Definition of stenosis in English:



mass nounMedicine
  • The abnormal narrowing of a passage in the body.

    ‘there is evidence of stenosis’
    with modifier ‘renal artery stenosis’
    count noun ‘a stenosis at the level of the hilum was diagnosed’
    • ‘Examples of fixed obstruction include tracheal stenosis, foreign body, or neoplasm.’
    • ‘Patients with bilateral renal artery stenosis commonly have impaired renal function.’
    • ‘If a patient presents with symptoms of carotid artery stenosis, the cause must be identified.’
    • ‘Excessive response may occur in cases of renal artery stenosis or after diuretics.’
    • ‘Complications of radiation therapy include anal ulcers, anal stenosis and necrosis.’
    tightening, narrowing, shrinking, squeezing


Late 19th century modern Latin, from Greek stenōsis ‘narrowing’, from stenoun ‘make narrow’, from stenos ‘narrow’.