Breadcrumb Home > Dictionary > Index A aldosterone: Meaning and Definition of Find definitions for: al•do•ste•rone Pronunciation: (al"dō-sti-rōn', al'dō-sti-rōn", al-dos'tu-rōn"), [key] — n. Biochem. 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aldosterone (Thesaurus) aldose aldosteronism TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: soupon Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language