Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

aldosterone

play
noun al·do·ste·rone \al-ˈdäs-tə-ˌrōn; ˌal-dō-ˈster-ˌōn, -ˈstir-; ˈal-dō-stə-ˌrōn\

Definition of aldosterone

  1. :  a steroid hormone C21H28O5 of the adrenal cortex that functions in the regulation of the salt and water balance of the body



Origin of aldosterone

aldehyde + -o- + -sterone


First Known Use: 1954


Medical Dictionary

aldosterone

play play
noun al·do·ste·rone \al-ˈdäs-tə-ˌrōn; ˌal-dō-ˈsti(ə)r-ˌōn, -stə-ˈrōn\

Medical Definition of aldosterone

  1. :  a steroid hormone C21H28O5 of the adrenal cortex that functions in the regulation of the salt and water balance of the body




Learn More about aldosterone


Seen and Heard

What made you want to look up aldosterone? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 10, 2016

to put in good humor

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift pince-nez duvet kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ