buckwheat coal

noun

1. anthracite coal in sizes ranging from 5/16 to 9/16 inch (7.9 to 13.9 m).

Word History and Origins

Origin of buckwheat coal¹

An Americanism dating back to 1880–85

Example Sentences

Ate pea coal," replied the professor promptly, "and the tiniest babies ate buckwheat coal.

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The largest or lump coal is that which remains upon a riddle having the bars 4 in. apart; the second, or steamboat coal, is above 3 in.; broken coal includes sizes above 2� or 2� in.; egg coal, pieces above 2� in. sq.; large stove coal, 1� in.; small stove, 1 to 1� or 11⁄3 in.; chestnut coal, 2⁄3 to � in.; pea coal, � in.; and buckwheat coal, 1⁄3 in.

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We have done this with a pipeless furnace and have been able to burn the cheaper buckwheat coal almost entirely as a result.

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