Noun

• S: (n) coal (fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period)
• S: (n) ember, coal (a hot fragment of wood or coal that is left from a fire and is glowing or smoldering)
• direct hypernym / inherited hypernym / sister term
• S: (n) fragment (a piece broken off or cut off of something else) "a fragment of rock"
• derivationally related form

Verb

• S: (v) char, coal (burn to charcoal) "Without a drenching rain, the forest fire will char everything"
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• sentence frame
• S: (v) coal (supply with coal)
• S: (v) coal (take in coal) "The big ship coaled"