Definition of moldavite in US English:

moldavite

noun

Geology
  • The substance, resembling obsidian, of which tektites from the strewn field of Bohemia and Moravia in the Czech Republic are composed.

Origin

Late 19th century; earliest use found in Albert Chester (1843–1903). From German Moldawit from Moldau, the name in German of the Vltava River in the Czech Republic + -it.

Pronunciation

moldavite

/ˈmɒldəvʌɪt/