Standard Lemma guide
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noun
Any hypothetical meson formed from a top quark and its antiquark; would be very unstable because of the large mass of the top quark
Definition source: English Wiktionary via Wiktextract
Usage: particle
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree English top English onium English -on Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English -onium English toponium From top + -onium. From top quark and "-onium" as in positronium.
Across languages
2 source translations are retained for this English entry.
