positronium

English dictionary entry

Meanings

noun

An exotic atom (specifically, an onium) consisting of a positron (antielectron) and an electron, as a particle–anti-particle bound pair with no nucleus.

/ˌpɒzɪˈtɹɒniəm/ /ˌpɒzɪˈtɹoʊniəm/ LL-Q1860 (eng)-Aadenboy-positronium.wav

positronium positroniums positronia

From positr(on) + -onium.

mul:Ps muonium muononium tauonium toponium pionium

dipositronium orthopositronium parapositronium positronium hydride

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