positronium

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English

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Etymology

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From positron +‎ -ium.

Noun

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positronium (plural positroniums or positronia) (Symbol: Ps)

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

Derived terms

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(exotic atom):

Translations

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See also

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(exotic atom):

(onium):