|—n , pl -ses|
|1.||pathol arteriosclerosis atherosclerosis Compare multiple sclerosis a hardening or thickening of organs, tissues, or vessels from chronic inflammation, abnormal growth of fibrous tissue, or degeneration of the myelin sheath of nerve fibres, or (esp on the inner walls of arteries) deposition of fatty plaques|
|2.||the hardening of a plant cell wall or tissue by the deposition of lignin|
|3.||a debilitating lack of progress or innovation within an institution or organization|
|[C14: via Medieval Latin from Greek sklērōsis a hardening]|
sclerosis scle·ro·sis (sklə-rō'sĭs)
n. pl. scle·ro·ses (-sēz)
The hardening of a tissue or part due to chronic inflammation.
A thickening or hardening of a body part or system especially from excessive formation of fibrous interstitial or glial tissue.
Any of various diseases characterized by thickening or hardening, such as arteriosclerosis.