pionium

Fetched 2026-10-26 (cache).

Synonyms: pionius, ionium, prionium

Antonyms: pionius, ionium, prionium

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|physics|chemistry}} an [[exotic atom]] equivalent to a [[hydrogen]] [[atom]] with the [[proton]] replaced by a [[pion]]
2. {{lb|en|physics}} an [[onium]] where the bound antiparticle-particle pair is a pion and an antipion.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.