shoshonite

ʃoʊˈʃoʊnɪt

Definitions

1. noun

A type of trachyte, a type of volcanic rock, named after the Shoshone tribe of Native Americans.

“The geologist found a sample of shoshonite in the rock formation.”

Synonyms

  • trachyte
  • volcanic rock

Antonyms

  • igneous rock
  • sedimentary rock