Definition of napoleonite in English:

napoleonite

noun

  • 1Mineralogy. Orthoclase. Now historical.

  • 2Geology= "corsite". Now rare.

Origin

Mid 19th century; earliest use found in Thomas Thomson. From the name of NapoléonBonaparte + -ite.

Pronunciation

napoleonite

/nəˈpəʊlɪənʌɪt/