Last Updated
：2025/11/19
coal
IPA(Pronunciation)
Noun
uncountable
countable
Japanese Meaning
石炭：古代の植物の遺体から形成され、主に炭素で構成される燃料として燃焼される、黒または茶褐色の岩石
Sense（1）
Sense（2）
Sense（5）
（ plural ）
Quizzes for review
(uncountable) A black or brownish black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
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coal
The factory switched from coal to natural gas to reduce emissions.
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The factory switched from coal to natural gas to reduce emissions.
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