durain

[ door-eyn, dyoor- ]

nounMineralogy.
  1. the coal forming the dull layers in banded bituminous coal.

Origin of durain

1
1915–20; <Latin dūr(us) hard + -ain, from fusain, by analysis as a suffix

Words Nearby durain

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024