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Pronunciation varies by accent · noun
(particle physics) A flavorless meson whose constituents are a quark and its own antiquark..
Use quarkonium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Quarkonium means (particle physics) A flavorless meson whose constituents are a quark and its own antiquark..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use quarkonium where its definition matches the intended context.
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