What does "baryonium" mean?

A particle-like resonance preferentially coupled to baryon-antibaryon channels. It is described either as a baryon-antibaryon compound or composed of a diquark and an antidiquark.

Baryonium

noun

noun ·Rare ·Advanced level

Definitions

Noun

1
A particle-like resonance preferentially coupled to baryon-antibaryon channels. It is described either as a baryon-antibaryon compound or composed of a diquark and an antidiquark. particle

Etymology

From baryon + -ium.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.