cor·ti·sol 
(kôrtĭ-sôl′, -zôl′, -sōl′, -zōl′)
(kôrtĭ-sôl′, -zôl′, -sōl′, -zōl′)n.
A steroid hormone, C21H30O5, produced by the adrenal cortex, that regulates carbohydrate metabolism, maintains blood pressure, and is released in response to stress; hydrocortisone.
[CORTIS(ONE) + -OL1.]