Mg
摻鎂鈮酸鋰光參量振盪器
mg
n 1: one thousandth (1/1,000) gram [syn: milligram]
2: 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: magnesium,
atomic number 12]