Definition of mangantantalite in US English:

mangantantalite

noun

Mineralogy
  • = manganotantalite.

Origin

Late 19th century; earliest use found in Edward Dana (1849–1935), mineralogist and physicist. From Swedish mangantantalit from mangan + tantalit.

Pronunciation

mangantantalite

/ˌmaŋɡ(ə)nˈtantəlʌɪt/