aldosterone
noun
al·do·ste·rone
al-ˈdä-stə-ˌrōn 
ˌal-dō-ˈster-ˌōn,
-ˈstir-
ˈal-dō-stə-ˌrōn
: a steroid hormone C21H28O5 of the adrenal cortex that functions in the regulation of the salt and water balance of the body
Examples of aldosterone in a Sentence
Recent Examples on the Web
When aldosterone is reduced, so are salt levels and therefore blood pressure.
—
Linda Carroll, NBC news, 29 Mar. 2025
It’s classified as a potassium-sparing diuretic and an aldosterone antagonist.
—Mary Choy, Verywell Health, 6 Mar. 2025
Spironolactone works by blocking aldosterone and decreasing androgen hormone production (testosterone) in the skin.9
There are two forms of spironolactone used for acne: oral (taken by mouth) and topical (applied to the skin).
—Mary Choy, Verywell Health, 6 Mar. 2025
Adrenal hormones like aldosterone are essential for maintaining blood pressure.
—Dominique Fluker, Essence, 20 Jan. 2025
Meanwhile, older adults often experience shifts in insulin, aldosterone, growth hormone, and thyroid hormone levels, among others.18
Function in Hormonal Replacement Therapy
Hormone replacement therapy (HRT) involves taking synthetic hormones to replace natural ones and keep them in balance.
—Laura Dorwart, Verywell Health, 2 Jan. 2025
Steroid use and misuse can cause fluctuations in hormones—for example, higher testosterone due to anabolic steroids or Addison's disease (when the adrenal glands don't produce enough hormones like cortisol and aldosterone) due to glucocorticoids (e.g., prednisone).
—Wendy Wisner, Health, 12 Sep. 2024
These drugs work by blocking the receptor for the hormone aldosterone.
—Jacqueline Howard, CNN, 1 Sep. 2024
Spironolactone works by blocking a hormone called aldosterone and helps the kidneys flush salt and water out of the body to lower blood pressure.
—Elizabeth Robinson, NBC News, 9 Apr. 2024
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Linda Carroll, NBC news, 29 Mar. 2025
It’s classified as a potassium-sparing diuretic and an aldosterone antagonist.
—Mary Choy, Verywell Health, 6 Mar. 2025
Spironolactone works by blocking aldosterone and decreasing androgen hormone production (testosterone) in the skin.9
There are two forms of spironolactone used for acne: oral (taken by mouth) and topical (applied to the skin).
—Mary Choy, Verywell Health, 6 Mar. 2025
Adrenal hormones like aldosterone are essential for maintaining blood pressure.
—Dominique Fluker, Essence, 20 Jan. 2025
Meanwhile, older adults often experience shifts in insulin, aldosterone, growth hormone, and thyroid hormone levels, among others.18
Function in Hormonal Replacement Therapy
Hormone replacement therapy (HRT) involves taking synthetic hormones to replace natural ones and keep them in balance.
—Laura Dorwart, Verywell Health, 2 Jan. 2025
Steroid use and misuse can cause fluctuations in hormones—for example, higher testosterone due to anabolic steroids or Addison's disease (when the adrenal glands don't produce enough hormones like cortisol and aldosterone) due to glucocorticoids (e.g., prednisone).
—Wendy Wisner, Health, 12 Sep. 2024
These drugs work by blocking the receptor for the hormone aldosterone.
—Jacqueline Howard, CNN, 1 Sep. 2024
Spironolactone works by blocking a hormone called aldosterone and helps the kidneys flush salt and water out of the body to lower blood pressure.
—Elizabeth Robinson, NBC News, 9 Apr. 2024
Cite this Entry
“Aldosterone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aldosterone. Accessed 23 May. 2025.
Copy CitationMedical Definition
aldosterone
noun
al·do·ste·rone
al-ˈdäs-tə-ˌrōn; ˌal-dō-ˈsti(ə)r-ˌōn
-stə-ˈrōn
-stə-ˈrōn
: a steroid hormone C21H28O5 of the adrenal cortex that functions in the regulation of the salt and water balance of the body
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