durain

[ doo r-eyn, dyoo r- ]

/ ˈdʊər eɪn, ˈdyʊər- /

noun Mineralogy.

the coal forming the dull layers in banded bituminous coal.

Nearby words

dura, dura mater, durable, durable goods, durable press, durain, dural, dural sheath, dural sinus, duralumin, duramen

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. 2019