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.
the GNU version of the Collaborative International Dictionary of English
noun.
a corticosteroid hormone (C21H28O5) produced by the adrenal cortex. It is used in medicine as an antiinflammatory agent.