[al-doh-sti-rohn, al-doh-sti-rohn, al-dos-tuh-rohn]

noun Biochemistry.

a hormone produced by the cortex of the adrenal gland, instrumental in the regulation of sodium and potassium reabsorption by the cells of the tubular portion of the kidney.

Origin of aldosterone

First recorded in 1950–55; ald(ehyde) + -o- + ster(ol) + -one Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for aldosterone



the principal mineralocorticoid secreted by the adrenal cortex. A synthesized form is used in the treatment of Addison's disease. Formula: C 21 H 27 O 5

Word Origin for aldosterone

C20: from ald (ehyde) + -o- + ster (ol) + -one
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

Word Origin and History for aldosterone

isolated 1953, named with -one + elements of aldehyde, sterol.

Online Etymology Dictionary, © 2010 Douglas Harper

aldosterone in Medicine




A steroid hormone secreted by the adrenal cortex that regulates the salt and water balance in the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

aldosterone in Science



A steroid hormone secreted by the adrenal cortex that regulates salt and water balance in the body. Chemical formula: C21H28O5.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.