[hahy-druh-kawr-tuh-zohn, -sohn]
  1. Biochemistry. a steroid hormone, C21H30O5, of the adrenal cortex, active in carbohydrate and protein metabolism.
  2. Pharmacology. Also called cortisol. a powerful anti-inflammatory drug, C21H30O5, used in the treatment of shock, allergies, certain forms of arthritis, and other conditions.

Origin of hydrocortisone

First recorded in 1950–55; hydro-2 + cortisone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hydrocortisone


  1. the principal glucocorticoid secreted by the adrenal cortex; 17-hydroxycorticosterone. The synthesized form is used mainly in treating rheumatic, allergic, and inflammatory disorders. Formula: C 21 H 30 O 5Also called: cortisol
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

hydrocortisone in Medicine


[hī′drə-kôrtĭ-sōn′, -zōn′]
  1. A steroid hormone produced by the adrenal cortex that regulates carbohydrate metabolism and maintains blood pressure.cortisol
  2. A preparation of this hormone obtained from natural sources or produced synthetically and used to treat inflammatory conditions and adrenal failure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

hydrocortisone in Science


[hī′drə-kôrtĭ-sōn′, -zōn′]
  1. A preparation of the hormone cortisol that is obtained naturally or produced synthetically and is used widely in the treatment of inflammatory conditions and allergies.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.