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| | | | | | | magnesite | (n) a white mineral consisting of magnesium carbonate; a source of magnesium | magnesium | (n) 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), Syn. Mg, atomic number 12 | magnesium bicarbonate | (n) a bicarbonate that is a major cause of hard water | magnesium carbonate | (n) a very white crystalline salt that occurs naturally as magnesite or as dolomite | magnesium hydroxide | (n) a white crystalline powder used chiefly in medicines | magnesium nitride | (n) a nitride containing nitrogen and magnesium | magnesium sulfate | (n) a salt of magnesium |
| Magnes | n. [ L. ] Magnet. [ Obs. ] Spenser. [ 1913 Webster ] | Magnesia | n. [ L. Magnesia, fem. of Magnesius of the country Magnesia, Gr. h` Magnhsi`a li`qos a magnet. Cf. Magnet. ] (Chem.) A light earthy white substance, consisting of magnesium oxide (MgO), 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. [ 1913 Webster ] Magnesia alba [ L. ] (Med. Chem.), a bulky white amorphous substance, consisting of a hydrous basic carbonate of magnesium, and used as a mild cathartic. [ 1913 Webster ]
| Magnesian | a. Pertaining to, characterized by, or containing, magnesia or magnesium. [ 1913 Webster ] Magnesian limestone. (Min.) See Dolomite. [ 1913 Webster ]
| Magnesic | a. (Chem.) Pertaining to, or containing, magnesium; as, magnesic oxide. [ 1913 Webster ] | Magnesite | n. [ Cf. F. magnésite. ] (Min.) Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals. [ 1913 Webster ] | Magnesium | n. [ NL. & F. See Magnesia. ] (Chem.) A light silver-white metallic element of atomic number 12, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meerschaum, etc. Symbol Mg. Atomic weight, 24.305. Specific gravity, 1.75. [ 1913 Webster ] Magnesium sulphate. (Chem.) Same as Epsom salts. [ 1913 Webster ]
| magnesium hydroxide | n. (Chem.) A slightly alkaline chemical substance, Mg(OH)2, the active principle in the antacid milk of magnesia, also used as a laxative. [ WordNet 1.5 ] | magnesium oxide | n. (Chem.) Magnesia. [ WordNet 1.5 ] |
| 镁 | [měi, ㄇㄟˇ, 镁 / 鎂] magnesium Mg, alkaline earth metal, atomic number 12 #10,784 [Add to Longdo] | 镁光 | [měi guāng, ㄇㄟˇ ㄍㄨㄤ, 镁 光 / 鎂 光] magnesium light #78,106 [Add to Longdo] | 氧化镁 | [yǎng huà měi, ㄧㄤˇ ㄏㄨㄚˋ ㄇㄟˇ, 氧 化 镁 / 氧 化 鎂] magnesium oxide #78,177 [Add to Longdo] | 镁砂 | [měi shā, ㄇㄟˇ ㄕㄚ, 镁 砂 / 鎂 砂] magnesium oxide (refractory material) #113,633 [Add to Longdo] | 菱镁矿 | [líng měi kuàng, ㄌㄧㄥˊ ㄇㄟˇ ㄎㄨㄤˋ, 菱 镁 矿 / 菱 鎂 礦] magnesite; magnesium ore #132,052 [Add to Longdo] | 镁砖 | [měi zhuān, ㄇㄟˇ ㄓㄨㄢ, 镁 砖 / 鎂 磚] magnesium brick (refractory material) #188,098 [Add to Longdo] | 硫酸镁 | [liú suān měi, ㄌㄧㄡˊ ㄙㄨㄢ ㄇㄟˇ, 硫 酸 镁 / 硫 酸 鎂] magnesium sulfate [Add to Longdo] | 镁盐 | [měi yán, ㄇㄟˇ ㄧㄢˊ, 镁 盐 / 鎂 鹽] magnesium salt [Add to Longdo] |
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