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Pronunciation varies by accent · noun
(inorganic chemistry) The unstable allotrope of oxygen (O₅) composed of a ring of five atoms.
Use pentaoxolane when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentaoxolane means (inorganic chemistry) The unstable allotrope of oxygen (O₅) composed of a ring of five atoms.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentaoxolane where its definition matches the intended context.
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