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Pronunciation varies by accent · noun
(particle physics) The antimatter equivalent of deuterium..
Use antideuterium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Antideuterium means (particle physics) The antimatter equivalent of deuterium..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use antideuterium where its definition matches the intended context.
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