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pionium. In DICTIOUS you will not only get to know all the dictionary meanings for the word
pionium, but we will also tell you about its etymology, its characteristics and you will know how to say
pionium in singular and plural. Everything you need to know about the word
pionium you have here. The definition of the word
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English
Etymology
From pion + -ium.
Noun
pionium (plural pioniums)
- (physics, chemistry) an exotic atom equivalent to a hydrogen atom with the proton replaced by a pion
- (physics) an onium where the bound antiparticle-particle pair is a pion and an antipion.
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