blueschist

play
noun blue·schist \ˈblü-ˌshist\

Definition of blueschist

plural

blueschists

  1. geology :  a metamorphic rock that is formed under high pressure and low temperature and is characterized by the presence of glaucophane Also radiometric ages of blueschists from the same regions cluster around 400-500 Myr. — T. Nakajima et al., Nature, 19 July 1990 At this depth, where the pressure is 15 to 20 kilobars and temperatures reach about 500 degrees C, rocks called blueschists and eclogites form. — Ian Anderson, New Scientist, 29 Mar. 1997

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

1789

First Known Use of blueschist

1789


Seen and Heard

What made you want to look up blueschist? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!