Definition of mottramite in English:

mottramite

noun

Mineralogy
  • An orthorhombic basic vanadate of lead, copper, and zinc occurring as green or brownish blades or black encrustations and forming a series with descloizite.

Origin

Late 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator. From the name of Mottram St Andrew, a town in Cheshire + -ite.

Pronunciation

mottramite

/ˈmɒtrəmʌɪt/