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

Other definitions for Magnesia (2 of 2)

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

noun
  1. ancient name of Manisa.

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How to use magnesia in a sentence

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.

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