magnesia

[ mag-nee-zhuh, -shuh ]
/ mægˈni ʒə, -ʃə /

noun

a white, tasteless substance, magnesium oxide, MgO, used in medicine as an antacid and laxative.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of magnesia

1350–1400; Middle English: philosophers' stone <Medieval Latin magnēsia<Greek () Magnēsía (líthos) (the stone) of Magnesia; sense development obscure

OTHER WORDS FROM magnesia

mag·ne·sian, adjective

Definition for magnesia (2 of 2)

Magnesia
[ mag-nee-shee-uh, -zhee-uh ]
/ mægˈni ʃi ə, -ʒi ə /

noun

ancient name of Manisa.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for magnesia

British Dictionary definitions for magnesia

magnesia
/ (mæɡˈniːʃə) /

noun

another name for magnesium oxide

Derived forms of magnesia

magnesian, magnesic (mæɡˈniːsɪk) or magnesial, adjective

Word Origin for magnesia

C14: via Medieval Latin from Greek Magnēsia, of Magnēs ancient mineral-rich region
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for magnesia

magnesia
[ măg-nēzhə ]

n.

Magnesium oxide.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for magnesia

magnesia
[ măg-nēzhə ]

A white powder with a very high melting point. It is used to make heat-resistant materials, electrical insulators, cements, fertilizer, and plastics. It is also used in medicine as an antacid and laxative. Chemical formula: MgO.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.