vit·rain

[vi-treyn]
noun
the material of which the friable, vitreous layers in banded bituminous coal are composed.
Compare clarain, durain.


Origin:
1915–20; < Latin vitr(um) glass + -ain, as in fusain

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World English Dictionary
vitrain (ˈvɪtreɪn) [Click for IPA pronunciation guide]
 
n
a type of coal occurring as horizontal glassy bands of a nonsoiling friable material
 
[C20: from Latin vitrum glass + -ain, as in fusain]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Relevant Questions
00:10
Vitrain is always a great word to know.
So is quincunx. Does it mean:
a scrap or morsel of food left at a meal.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Example sentences
Where possible, the samples were selected from litho-types rich in vitrain.
The banded ingredients sampled were vitrain, clarain and fusain.
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