mag·ne·sia (m g-n  zh , -sh)n. Magnesium oxide. [Middle English, mineral ingredient of the philosophers' stone, from Medieval Latin magn sia, from Greek magnsi , a kind of ore, from Magnsi, Magnesia, an ancient city of Asia Minor.]mag·ne sian adj. |
magnesia [mægˈniːʃə]
n
(Chemistry / Elements & Compounds) another name for magnesium oxide
[via Medieval Latin from Greek Magnēsia, of Magnēs ancient mineral-rich region]
magnesian , magnesic [mægˈniːsɪk], magnesial adj
| magnesia (mg-nzh) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  magnesia - a white solid mineral that occurs naturally as periclase; a source of magnesiumatomic number 12, magnesium, Mg - a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine) mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition |
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