magnesia

[ mag-nee-zhuh, -shuh ]

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

Origin of magnesia

1
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

Words Nearby magnesia

Other definitions for Magnesia (2 of 2)

Magnesia
[ mag-nee-shee-uh, -zhee-uh ]

noun
  1. ancient name of Manisa.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use magnesia in a sentence

  • Then she poured Milk of magnesia into the other glass as a chaser.

    The Making of Madoff | Jerry Oppenheimer | August 1, 2009 | THE DAILY BEAST
  • Eventually, however, both varieties become converted into clay, their magnesia and potash passing gradually into soluble forms.

  • Sulphate of magnesia can be obtained at a low cost, and has been used as a manure in some instances with very marked success.

  • Well,” she said, “several mothers have mentioned it, but they take more interest in fluid magnesia and tonics.

  • I took a quick swallow of milk of magnesia, an excellent antacid, and went in.

    The Professional Approach | Charles Leonard Harness

British Dictionary definitions for magnesia

magnesia

/ (mæɡˈniːʃə) /


noun
  1. another name for magnesium oxide

Origin of magnesia

1
C14: via Medieval Latin from Greek Magnēsia, of Magnēs ancient mineral-rich region

Derived forms of magnesia

  • magnesian, magnesic (mæɡˈniːsɪk) or magnesial, adjective

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 ]


  1. 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.