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magnesia

[ mag-nee-zhuh, -shuh ]
/ mægˈni ʒə, -ʃə /
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noun
a white, tasteless substance, magnesium oxide, MgO, used in medicine as an antacid and laxative.
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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

Other definitions 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. 2022

How to use magnesia in a sentence

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

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.
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