Definition of manganostibite in English:

manganostibite

(also manganostibiite)

noun

Mineralogy
  • An orthorhombic oxide of manganese, antimony, and arsenic, occurring as small black grains in certain metamorphic rocks in Sweden.

Origin

Late 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From Swedish manganostibiit from mangano- + stibiit from classical Latin stibium antimony + Swedish -it.

Pronunciation

manganostibite

/ˌmaŋɡənəʊˈstɪbʌɪt/