coal
Definition
- n. fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
- v. supply with coal
- v. take in coal
Word forms
- Present participle
- coaling
- Past tense
- coaled
- Third person singular
- coals
- Past participle
- coaled
Example sentences
n.
The factory uses coal to produce energy and power the machines.
v.
The workers need to coal the furnace every few hours to keep it running.