• synonyms


[doo r-eyn, dyoo r-]
See more synonyms on Thesaurus.com
noun Mineralogy.
  1. the coal forming the dull layers in banded bituminous coal.
Compare clarain, vitrain.

Origin of durain

1915–20; < Latin dūr(us) hard + -ain, from fusain, by analysis as a suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
  • About
  • Cookies, Terms, & Privacy
© 2018 Dictionary.com, LLC.