Definitions for magnesium oxide

This page provides all possible meanings and translations of the word magnesium oxide

Random House Webster's College Dictionary

magne′sium ox′ide(n.)

  1. Category: Chemistry

    Ref: magnesia 1

Origin of magnesium oxide:

1905–10

Princeton's WordNet

  1. periclase, magnesia, magnesium oxide(noun)

    a white solid mineral that occurs naturally as periclase; a source of magnesium

Wiktionary

  1. magnesium oxide(Noun)

    A white powder (MgO) with a high melting point; it occurs naturally as periclase, an ore of magnesium.

Freebase

  1. Magnesium oxide

    Magnesium oxide, or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium. It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonds. Magnesium hydroxide forms in the presence of water, but it can be reversed by heating it to separate moisture. Magnesium oxide was historically known as magnesia alba, to differentiate it from magnesia negra, a black mineral containing what is now known as manganese.

U.S. National Library of Medicine

  1. Magnesium Oxide

    Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses.

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