positronium (English, noun)
expansion: positronium (plural positroniums or positronia)
Senses:
topics: chemistry
natural-sciences
physical-sciences
physics
wikidata: Q624990
related: word: mul:Ps
tags: alternative
glosses: An exotic atom (specifically, an onium) consisting of a positron (antielectron) and an electron, as a particle–anti-particle bound pair with no nucleus.
Forms:
form: positroniums
tags: plural
form: positronia
tags: plural