Definition of Müller's glass in English:

Müller's glass

(also Muller's glass)

Pronunciation /ˌmʊləz ˈɡlɑːs/ /ˌmʊləz ˈɡlas/

noun

Mineralogy
  • Hyalite.

Origin

Late 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. From the genitive of the German surname Müller, supposedly the name of its discoverer + glass.