magnesia
n. வௌதம உயிரகை, (பே-வ) வயிற்றுப் புளிப்பகற்றும் மருந்தாகப் பயன்படுத்தப்படும் வெண்பொடி,. நீரூட்டப்பட்ட வௌதமக்கரியகி.
Mag*ne"si*a, n. Etym: [L. Magnesia, fem. of Magnesius of the country Magnesia, Gr. Magnet.] (Chem.) Defn: A light earthy white substance, consisting of magnesium oxide, and obtained by heating magnesium hydrate or carbonate, or by burning magnesium. It has a slightly alkaline reaction, and is used in medicine as a mild antacid laxative. See Magnesium. Magnesia alba Etym: [L.] (Med. Chem.), a bulky white amorphous substance, consisting of a hydrous basic carbonate of magnesium, and used as a mild cathartic.