Definition of neochrysolite in US English:

neochrysolite

noun

Mineralogy
rare, historical
  • A manganese-rich variety of chrysolite.

Origin

Late 19th century; earliest use found in Edward Dana (1849–1935), mineralogist and physicist. From neo- + chrysolite, after Italian neocrisolite.

Pronunciation

neochrysolite

/ˌniːə(ʊ)ˈkrɪsəlʌɪt/