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Pronunciation varies by accent · noun
(organic chemistry) The reaction of hydrogen and carbon monoxide to form methane.
Use methanation when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Methanation means (organic chemistry) The reaction of hydrogen and carbon monoxide to form methane.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use methanation where its definition matches the intended context.
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