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Pronunciation varies by accent · noun
(particle physics) A form of quarkonium where the spins of the constituent quarks are parallel..
Use orthoquarkonium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Orthoquarkonium means (particle physics) A form of quarkonium where the spins of the constituent quarks are parallel..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use orthoquarkonium where its definition matches the intended context.
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