Noun | 1. | Cortone Acetate - a corticosteroid hormone (trade name Cortone Acetate) normally produced by the adrenal cortex; is converted to hydrocortisone adrenal cortical steroid, corticoid, corticosteroid - a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response; "adrenal cortical steroids are used to treat many different conditions" ketosteroid - a steroid containing a ketone group |