Real Dictionary

corticosteroid in American English
any of the steroid hormones secreted by the adrenal cortex, or any compound derived from these or prepared synthetically and having a similar structure
noun: any of a class of steroids, as aldosterone, hydrocortisone, or cortisone, occurring in nature, esp. as a product of the adrenal cortex, or synthesized

corticosteroid in British English
noun: any steroid hormone produced by the adrenal cortex that affects carbohydrate, protein, and electrolyte metabolism, gonad function, and immune response

corticosteroid in the Pharmaceutical Industry
noun: A corticosteroid is any one of a group of steroid hormones produced by the adrenal cortex that affect carbohydrate, protein, and electrolyte metabolism, and immune response. Corticosteroids are used to treat inflammatory and allergic diseases.