[mag-nee-zhuh, -shuh] 
| a white, tasteless substance, magnesium oxide, MgO, used in medicine as an antacid and laxative. |
[mah-ni-sah] | a city in W Turkey, near the Aegean: Roman defeat of Antiochus the Great 190 b.c. 72,276. |
| mag·ne·sia (māg-nē'zhə, -shə) n. Magnesium oxide. [Middle English, mineral ingredient of the philosophers' stone, from Medieval Latin magnēsia, from Greek magnēsiā, a kind of ore, from Magnēsiā, Magnesia, an ancient city of Asia Minor.] mag·ne'sian adj. |
magnesia mag·ne·sia (māg-nē'zhə, -shə)
n.
Magnesium oxide.
| magnesia (māg-nē'zhə) Pronunciation Key
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. |