Definition of micropegmatite in English:

micropegmatite

noun

Geology
  • Any rock with a micropegmatitic (micrographic) structure.

Origin

Late 19th century; earliest use found in American Naturalist. From micro- + pegmatite, after French micro-pegmatite.

Pronunciation

micropegmatite

/ˌmʌɪkrə(ʊ)ˈpɛɡmətʌɪt/