magnesia
a white, tasteless substance, magnesium oxide, MgO, used in medicine as an antacid and laxative.
Origin of magnesia
1Other words from magnesia
- mag·ne·sian, adjective
- Compare milk of magnesia.
Other definitions for Magnesia (2 of 2)
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
The terrace was walled with creamy stone, and railed about by a heavy balustrade of white magnesian limestone.
A Fortune Hunter; Or, The Old Stone Corral | John Dunloe CarteretDrawing it open, there was disclosed a low cell or cavern, which had been partly carved out of the soft magnesian limestone.
A Fortune Hunter; Or, The Old Stone Corral | John Dunloe CarteretHere the cliff is formed of hard magnesian limestone, and rises perpendicularly from the beach more than a hundred feet.
The associated beds are impregnated with earth, and in places there occur thin layers of potash and magnesian salts.
The Panjab, North-West Frontier Province, and Kashmir | Sir James McCrone DouieThere are also beds of potash and magnesian salts in the same area, but their value and quantity have not been thoroughly proved.
The Panjab, North-West Frontier Province, and Kashmir | Sir James McCrone Douie
British Dictionary definitions for magnesia
/ (mæɡˈniːʃə) /
another name for magnesium oxide
Origin of magnesia
1Derived 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
[ măg-nē′zhə ]
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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