'cortisone' definitions:

Definition of 'cortisone'

(from WordNet)
noun
A corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone [syn: cortisone, Cortone Acetate]

Definition of 'cortisone'

From: GCIDE
  • cortisone \cortisone\ n. (Chem.) a corticosteroid hormone (C21H28O5) produced by the adrenal cortex. It is used in medicine as an antiinflammatory agent. [WordNet 1.5]