Coal Meaning: Definition, Examples, and Translations
đ
coal
[kÉĘl ]
Definitions
fossil fuel
A combustible black or dark brown rock consisting mainly of carbonized plant matter, used as a fuel.
Synonyms
anthracite, charcoal, lignite, peat.
Which Synonym Should You Choose?
| Word | Description / Examples |
|---|---|
| coal |
A common fossil fuel used mainly for generating electricity and heating. It is a general term without specifying the type of coal.
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| anthracite |
A specific type of coal that is hard, high in carbon, and burns with little smoke. It is often used for home heating and some industrial processes.
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| lignite |
A low-grade type of coal with a lower carbon content and higher moisture content, often used for electricity generation.
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| peat |
An accumulation of partially decayed vegetation or organic matter that can be used as a fuel, mostly in gardening for soil conditioning.
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| charcoal |
A form of carbon typically used for grilling food and certain industrial purposes. Different from coal, it is made from burning wood in the absence of oxygen.
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Examples of usage
- Coal is mined in many countries around the world.
- Coal-fired power plants are a major source of electricity.
- The industrial revolution was fueled by coal.
- Coal is a significant contributor to air pollution.
- Coal mining can have negative environmental impacts.
diamond
A hard black mineral substance that can be polished and is used for making jewelry.
Synonyms
gemstone, jewel, precious stone.
Which Synonym Should You Choose?
| Word | Description / Examples |
|---|---|
| coal |
Typically used when referring to a common natural resource extracted for energy production or heating purposes.
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| gemstone |
A general, neutral term used to discuss any cut and polished mineral used for jewelry or decoration.
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| jewel |
Often used to convey luxury and value, frequently seen in the context of personal adornments or treasured items.
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| precious stone |
Describes valuable minerals used in high-end jewelry, often implying rarity and worth.
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Examples of usage
- The coal eventually transformed into diamonds.
- He gifted her a beautiful diamond ring.
- Diamonds are formed under high pressure and temperature.
- She admired the sparkle of the diamond necklace.
- The diamond industry is worth billions of dollars.
Translations
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Origin of 'coal'
The word 'coal' originated from Old English and has its roots in Proto-Germanic languages. It has been used for centuries as a source of fuel and energy. Coal played a significant role in the industrial revolution, powering steam engines and factories. Over time, concerns have been raised about the environmental impact of coal mining and burning, leading to a shift towards cleaner energy sources. In the context of diamonds, coal undergoes extreme pressure and heat deep within the Earth's crust, transforming into the precious gemstone.