hard coal
Americannoun
noun
Etymology
Origin of hard coal
First recorded in 1780–90
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
To compensate for these losses an additional 8.7 million tonnes of hard coal would have to be burned.
From Science Daily ● Feb. 9, 2024
She fashioned little carts of coke — the hard coal used to heat ore — using jimmies and dragées.
From Washington Post ● Dec. 23, 2022
This includes 1.9 GW of lignite and 4.3 GW of hard coal power plants which are allowed to return to the market until 2024, the IEA report said.
From Reuters ● Dec. 16, 2022
And Kazakhstan, the researchers say, has coal-fired power stations burning "hard coal", which are more polluting than their Chinese counterparts.
From BBC ● Feb. 25, 2022
The first record of coal mined in this country was in 1814, when twenty-two tons of anthracite, or hard coal, were mined in Pennsylvania.
From Checking the Waste A Study in Conservation by Mary Huston Gregory
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