positronium

Fetched 2026-10-26 (cache).

Synonyms: positronic, positroniums

Antonyms: positronic, positroniums

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q624990}} {{lb|en|physics|chemistry}} An [[exotic atom]] (specifically, an [[onium#English:_Q279525|onium]]) consisting of a [[positron]] ([[antielectron]]) and an [[electron]], as a particle–anti-particle bound pair with no [[nucleus]].

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