noun🔗ShareTopnessA quantum number of quarks and hadrons, determined by the number(s) of top quarks and antiquarks present. Symbol T."Because the hadron contained a top quark but no anti-top quark, its topness had a value of +1. "Parce que le hadron contenait un quark top mais pas d'anti-quark top, sa topness avait une valeur de +1.physicsscienceChat with AIVocabulary GamePractice Reading
