'cortisol' definitions:

Definition of 'cortisol'

From: WordNet
noun
An adrenal-cortex hormone (trade names Hydrocortone or Cortef) that is active in carbohydrate and protein metabolism [syn: hydrocortisone, cortisol, Hydrocortone, Cortef]

Definition of 'cortisol'

From: GCIDE
  • cortisol \cortisol\ n. a steroid hormone (C21H30O5) active in carbohydrate and protein metabolism; -- called also hydrocortisone. It is used in medicine as an antiinflammatory agent
  • Syn: hydrocortisone. [WordNet 1.5]