Definition of pyroxmangite in US English:

pyroxmangite

noun

Mineralogy
  • A rare manganese-containing silicate mineral of the pyroxenoid group, found as pink to brown crystals in some metamorphic and metasomatic rocks.

Origin

Early 20th century. From pyrox- + mang- + -ite.

Pronunciation

pyroxmangite

/ˌpʌɪrɒksˈmaŋɡʌɪt/