释义 |
niobium/naiˈəʊbiəm/n. Chem. a rare grey-blue metallic transition element occurring naturally in several minerals and used in alloys for superconductors (symbol 符 Nb) 【化】(化学元素)铌 □ niobic adj.□ niobous adj.[named after Niobe, the daughter of Tantalus: so called because first found in TANTALITE] |