| query | C___ is a hard black substance that is extracted from the ground and burned as fuel.Coal is a hard black substance that is extracted from the ground and burned as fuel. Gas-fired electricity is cheaper than coal. Today, oil and natural gas have replaced coal and wood in most areas. |
|---|---|
| word | coal |
| full-definition | noun Coal is a hard black substance that is extracted from the ground and burned as fuel. Gas-fired electricity is cheaper than coal. Today, oil and natural gas have replaced coal and wood in most areas. Coals are burning pieces of coal. The iron teakettle was hissing splendidly over live coals. It is important to get the coals white-hot before you start cooking. |
| inflections | coals |
| cefr-level | B1 |
Tags: oxford5k::cefr-level:b1
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