WordReference Random House Unabridged Dictionary of American English © 2025
coal ball′, 
  1. Mining, Mineralogya spherical mass of mineral and plant material embedded in coal beds, ranging in size from that of a pea to that of a boulder.
  • 1735–45


Forum discussions with the word(s) "coal ball" in the title:


Look up "coal ball" at Merriam-Webster
Look up "coal ball" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!