[ kawr-tuh-sawl, -sohl ]
/ ˈkɔr təˌsɔl, -ˌsoʊl /


Biochemistry. one of several steroid hormones produced by the adrenal cortex and resembling cortisone in its action.
Pharmacology. hydrocortisone.

Origin of cortisol

First recorded in 1950–55; cortis(one) + -ol1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cortisol

British Dictionary definitions for cortisol

/ (ˈkɔːtɪˌsɒl) /


another name for hydrocortisone

Word Origin for cortisol

C20: from cortis (one) + -ol ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for cortisol

[ kôrtĭ-sôl′, -zôl′, -sōl′, -zōl′ ]


The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for cortisol

[ kôrtĭ-sôl′, -sōl′ ]

The principal steroid hormone produced by the adrenal cortex. It regulates carbohydrate metabolism and the immune system and maintains blood pressure. When natural or synthetic cortisol is used as a pharmaceutical, it is known as hydrocortisone.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.