columbite

[建] 铌铁矿

词形变化

columbites 复数 columbites

释义与例句

n.
  1. 1.

    A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.

    化学 地质

词汇关系

名词

同义词 1

niobite

上位词 1

mineral

部分词 4

ta NB niobium tantalum

词源

From columbium (“niobium”) + -ite.

来源：wiktionary