- magnesium oxide, MgO, a white, tasteless powder, used as a mild laxative and antacid, and as an insulating substance, in firebrick, etc.
- hydrated magnesium carbonate, also used as a laxative
Origin of magnesiaModern Latin magnesia (alba), literally , (white) magnesia (in contrast to Medieval Latin magnesia, a black mineral from Late Greek magn?sia from Magn?sia, Magnesia): term substituted by F. Hoffmann (1660-1742), German physician, for Modern Latin magnes carneus, literally , flesh-magnet (see magnet and carnal): so named from clinging to the lips
Origin of magnesiaShort for New Latin magnēsia alba literally, white magnesia Medieval Latin magnēsia mineral ingredient in the philosopher's stone ( from Greek magnēsiā a kind of ore, talc or a talclike substance ) ( after Magnēsiē , a region of Thessaly where it was found ) ( from Magnēs an inhabitant of Thessalian Magnesia )Latin alba feminine of albus white
- (mineralogy) magnesium oxide
Middle English magnesia, from late Latin magnesia, from Ancient Greek Î¼Î±Î³Î½Î·ÏƒÎ¯Î±, after ÎœÎ±Î³Î½Î·ÏƒÎ¯Î±, a city name in Thessaly, Lydia, and Asia Minor.