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Pronunciation varies by accent · noun
A porous or hollow carbonaceous sphere-like particle formed during pyrolysis or in the course of the combustion of coal..
Use cenosphere when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cenosphere means A porous or hollow carbonaceous sphere-like particle formed during pyrolysis or in the course of the combustion of coal..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use cenosphere where its definition matches the intended context.
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