niobium

名词 n.
发音 nīō'bēəm

英文释义

名词 n.
  1. A chemical element (symbol Nb) with an atomic number of 41: a light grey, crystalline, ductile transition metal used in superconducting materials. countable,uncountable
    — One should use hypoallergenic jewelry made of surgical grade stainless steel, titanium, 14- or 18-karat gold, or niobium, especially for initial piercings.
  2. A single atom of this element. countable

词形变化

niobiums plural

词源

From Niobe + -ium, because of the element's affinity with tantalum, named after Niobe's father Tantalus.
0 次浏览 数据来源: Wiktionary