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

magnesium hydroxide

noun

Definition of magnesium hydroxide

  1. :  a slightly alkaline crystalline compound Mg(OH)2 used especially as a laxative and gastric antacid



Circa 1909

First Known Use of magnesium hydroxide

circa 1909


Medical Dictionary

magnesium hydroxide

noun

Medical Definition of magnesium hydroxide

  1. :  a slightly alkaline crystalline compound Mg(OH)2 that is obtained by hydration of magnesia or by precipitation (as from seawater by lime in the production of magnesium chloride) as a white nearly insoluble powder and is used chiefly in medicine as an antacid and laxative—see milk of magnesia





Seen and Heard

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

WORD OF THE DAY

February 8, 2016

to clear from accusation or blame

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?

duvet kittly-benders spindrift pince-nez
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