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Pronunciation varies by accent · noun
(physics) Any hypothetical composite particle composed of seven quarks or antiquarks..
Use heptaquark when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Heptaquark means (physics) Any hypothetical composite particle composed of seven quarks or antiquarks..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use heptaquark where its definition matches the intended context.
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