a corticosteroid, CHO, used as a replacement in adrenal insufficiency and in the treatment of various inflammatory, allergic, and neoplastic diseases
See cortisone in American Heritage Dictionary 4
(kôrˈtĭ-sōnˌ, -zōnˌ)
noun
A naturally occurring corticosteroid, C21H28O5, that functions primarily in carbohydrate metabolism and is used in the treatment of rheumatoid arthritis, adrenal insufficiency, certain allergies, and gout.