positronium

Noun
(Symbol: Ps)


 * 1)  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.

Translations

 * Chinese:
 * Mandarin: 電子偶素, 正電子素
 * German:
 * Hungarian: pozitrónium
 * Ido: positronio
 * Italian: positronio
 * Russian:
 * Spanish: