greenschist

[green-shist]

noun Petrology.

schist colored green by an abundance of chlorite, epidote, or actinolite.

Nearby words

  1. greens fee,
  2. greensand,
  3. greensand process,
  4. greensboro,
  5. greensburg,
  6. greenshank,
  7. greensickness,
  8. greenskeeper,
  9. greensome,
  10. greenspan

Compare greenstone.

Origin of greenschist


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


Science definitions for greenschist

greenschist

[grēnshĭst′]

A green, schistose metamorphic rock that gets its color from the presence of chlorite, epidote, or actinolite. Greenschist forms under conditions of low temperature and low pressure.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.