boghead

noun

boghead

noun

1

Abbreviation, Ellipsis, Usually Ellipsis of boghead coal.

Cannel is dull black in colour while boghead is dull brownish.2018, O. P. Gupta, Elements of Fuel & Combustion Technology, page 35:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.