Share this entry

aldosterone Syllabification: al·dos·te·rone
Pronunciation: /ˌalˈdästərōn/

Definition of aldosterone in English:


A corticosteroid hormone that stimulates absorption of sodium by the kidneys and so regulates water and salt balance.
Example sentences
  • Progesterone also increases sodium and water excretion in females because of competition between progesterone and aldosterone, a kidney hormone that regulates water balance.
  • These hormones include adrenaline, norepinephrine, aldosterone and corticosteroids (cortisone).
  • The liver is involved in the metabolism and breakdown of many hormones (eg, estrogen, testosterone, aldosterone, thyroid hormones) and vitamin D.


1950s: blend of aldehyde and steroid, + -one.

Definition of aldosterone in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day whippersnapper
Pronunciation: ˈ(h)wipərˌsnapər
a young, inexperienced person considered presumptuous or overconfident...