名詞 cobalt:

1. a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
   同義詞：Co, atomic number 27

co.balt

n.Symbol Co （名詞）符號(hào) Co
A hard, brittle metallic element, found associated with nickel, silver, lead, copper, and iron ores and resembling nickel and iron in appearance. It is used chiefly for magnetic alloys, high-temperature alloys, and in the form of its salts for blue glass and ceramic pigments. Atomic number 27; atomic weight 58.9332; melting point ,495=C; boiling point 2,900=C; specific gravity 8.9; valence 2, 3.See table at element
鈷：一種硬而脆的金屬元素，與鎳、銀、鉛、銅和鐵礦石一起存在，外表像鎳和鐵。它主要用于磁合金、高溫合金、以鹽的形式用于藍(lán)色玻璃和陶瓷顏料。原子序數(shù)27；原子量58.9332；熔點(diǎn),495=C；沸點(diǎn)2,900=C；比重8.9；原子價(jià)2，3參見(jiàn) element

來(lái)源：
German Kobalt
德語(yǔ) Kobalt
from Middle High German kobolt [goblin (from the trouble it gave silver miners)]
源自 中古高地德語(yǔ) kobolt [麻煩（源于它給銀礦工人帶來(lái)的麻煩）]