boghead coal

noun

bog·​head coal

ˈbägˌhed-

variants or less commonly boghead

often capitalized B

: a cannel coal in which algal remains predominate and which is valuable as a source of paraffin oils and gas

Word History

Etymology

from Boghead, West Lothian, Scotland

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now