CHARMONIUM


Meaning of CHARMONIUM in English

chärˈmōnēəm noun

( plural charmonium )

Etymology: charm (herein) + -onium (as in positronium )

: any of a group of fundamental particles that are held to consist of a charmed quark-antiquark pair

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.