caking coal
A bituminous coal which softens and becomes pasty or semiviscid when heatedA bituminous coal which softens and becomes pasty or semiviscid when heated. On increasing the heat, the volatile products are driven off, and a coherent, grayish-black, cellular mass of coke is left.
Meaning
1 senses(obsolete, uncountable)A bituminous coal which softens and becomes pasty or semiviscid when heated. On increasing the heat, the volatile products are driven off, and a coherent, grayish-black, cellular mass of coke is left.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable