Definition of melanovanadite in English:

melanovanadite

noun

Mineralogy
  • A triclinic hydrated oxide of calcium and vanadium occurring as aggregates of opaque black prismatic crystals.

Origin

1920s. From melano- + vanad- + -ite.

Pronunciation

melanovanadite

/ˌmɛlənə(ʊ)ˈvanədʌɪt/