Definition of microperthite in English:

microperthite

noun

Mineralogy
  • A variety of perthite in which the lamellar structure is visible only under a microscope.

Origin

Late 19th century; earliest use found in Science. From micro- + perthite, after German Mikroperthit.

Pronunciation

microperthite

/ˌmʌɪkrə(ʊ)ˈpəːθʌɪt/