durain

noun du·rain \ ˈd(y)u̇ˌrān \

Definition of durain

plural -s
: one of two dull constituents of banded bituminous coal forming lenses or layers and composed of finely comminuted woody debris only partly decomposed — compare clarain, fusain, vitrain

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Origin and Etymology of durain

Latin durus hard + -ain (as in fusain)


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