positronium

English

Etymology

(chemistry): positron +‎ -ium
(physics): positron +‎ -onium

Noun

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

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

Derived terms

(exotic atom):

Translations

exotic atom

German: Positronium (de) n
Hungarian: pozitrónium
Ido: positronio

Italian: positronio m
Russian: позитроний (ru) m (pozitronij)
Spanish: positronio (es) m

See also

(exotic atom):

muonium

(onium):

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