Greenschist

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A metamorphic rock formed at low temperature and pressure, often with an abundance of green minerals such as chlorite, serpentine, and epidote. countable, uncountable

Etymology

From green + schist.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.