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Pronunciation varies by accent · noun
(chemistry, in combination) A chemical compound with five oxygen atoms with double bonds..
Use pentaoxo when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentaoxo means (chemistry, in combination) A chemical compound with five oxygen atoms with double bonds..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentaoxo where its definition matches the intended context.
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