Definition of mangancolumbite in English:

mangancolumbite

noun

Mineralogy
  • = manganocolumbite.

Origin

Late 19th century; earliest use found in The Century Dictionary. From mangan- + columbite; compare later manganocolumbite.

Pronunciation

mangancolumbite

/ˌmaŋɡ(ə)nkəˈlʌmbʌɪt/