positronium

English

Etymology

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

Noun

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

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

Derived terms

(exotic atom):

• dipositronium
• orthopositronium
• parapositronium

Translations

exotic atom

• German: Positronium (de) n
• Hungarian: pozitrónium
• Ido: positronio
• (deprecated template usage) {{trans-mid}}
• Italian: positronio m
• Russian: позитроний (ru) m (pozitronij)
• Spanish: positronio (es) m

See also

(exotic atom):

• muonium

(onium):

• muononium
• tauonium
• toponium
• pionium