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Pronunciation varies by accent · noun
(inorganic chemistry) Any of several unstable allotropes of nitrogen that have more than two atoms in each molecule.
Use polynitrogen when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Polynitrogen means (inorganic chemistry) Any of several unstable allotropes of nitrogen that have more than two atoms in each molecule.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use polynitrogen where its definition matches the intended context.
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