pea coal

noun

1. anthracite coal in sizes ranging from about 3/8 to about 13/16 inch (1 to 2 centimeters).
2. bituminous coal in sizes ranging from about 3/8 to about 3/4 inch (1 to 1.9 centimeters).

Word History and Origins

Origin of pea coal¹

First recorded in 1880–85