名詞 tantalum:

1. a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
   同義詞：Ta, atomic number 73

1. A coarse-grained granite, sometimes rich in rare elements such as uranium, tungsten, and tantalum.
   花崗偉晶巖一種有時富含鈾、鎢和鉭等稀有元素的粗紋理花崗巖