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Pronunciation varies by accent · noun
(mining) A flammable gas (mostly methane) found in coal mines; forms an explosive mixture with air..
Use firedamp when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Firedamp means (mining) A flammable gas (mostly methane) found in coal mines; forms an explosive mixture with air..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use firedamp where its definition matches the intended context.
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