Definition of caseous in English:

caseous

adjective

Medicine
  • Characterized by caseation.

    • ‘They showed that these drugs penetrated throughout lesions and caseous matter in concentrations adequate for bacteriostasis.’
    • ‘There were healing granulomas and caseous foci, presumably tuberculosis, in mesenteric and peripancreatic lymph nodes.’
    • ‘The lymph nodes coalesce and break down due to formation of caseous pus.’
    • ‘The first is a population of actively growing bacilli present in liquefied caseous material of the tuberculous lesion and the lining of the walls of pulmonary cavities.’
    • ‘Histologically these lesions contain caseous necrosis and will eventually be absorbed or become calcified.’

Origin

Mid 17th century: from Latin caseus cheese + -ous.

Pronunciation:

caseous

/ˈkeɪsɪəs/