niobite
niobite · niobites
The mineral columbiteThe mineral columbite.
US/nˈaɪoʊbˌaɪt/
Meaning
1 senses(countable, uncountable)The mineral columbite.
a black mineral that is an ore of niobium and tantalum
Forms
plural: niobitesSynonyms
1 synonymsClose in meaning
- a black mineral that is an ore of niobium and tantalum:columbite
Word family
1 related wordsDerivednatroniobite
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable