buckwheat coal
noun
anthracite coal in sizes ranging from 5/16 to 9/16 inch (7.9 to 13.9 m).
Origin of buckwheat coal
An Americanism dating back to 1880–85
Words nearby buckwheat coal
buckthorn,
buckthorn family,
bucktooth,
buckwheat,
buckwheat cake,
buckwheat coal,
buckwheat family,
buckwheat note,
buckyball,
buckytube,
bucolic