niobium
/naɪˈoʊbiəm/
noun
- A shiny, gray metallic chemical element (symbol Nb) that is used in alloys to make steel stronger and in special magnets.
- The scientist explained that niobium is often used in superconducting magnets.
- Jewelry makers sometimes use niobium because it can be colored by electricity.
- Niobium is added to steel to make it stronger for building bridges.
Synonyms