forsterite

noun for·ster·ite \ˈfȯ(r)stəˌrīt\

Definition of forsterite

plural

-s

  1. :  a mineral consisting of magnesian olivine; specifically :  magnesium silicate Mg2SiO4 constituting the essential component of some refractories

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of forsterite

Johann R. Forster †1798 German traveler + English -ite


Seen and Heard

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

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!