bottomonium.
Any meson, such as an upsilon particle, formed from a bottom quark and its antiquark.
Meaning & usage
Any meson, such as an upsilon particle, formed from a bottom quark and its antiquark.
Where this word comes from
Etymology tree Proto-Indo-European *dʰewbʰ-? Proto-Indo-European *-mḗn Proto-Indo-European *bʰudʰmḗn Proto-Germanic *butmaz Proto-West Germanic *botm Old English botm Middle English botme English bottom English onium English -on Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English -onium English bottomonium From bottom + -onium.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.