1. Excessive secretion of one or more steroid hormones of the adrenal cortex; sometimes used also to designate the state produced by therapeutic administration of large quantities of steroids having glucocorticoid activity, hydrocortisone.
The definition information for hypercorticoidism is provided by Stedman's. You can search our medical dictionary here.
Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.