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charmonium

Syllabification: (char·mo·ni·um)
Pronunciation: /CHärˈmōnēəm/

Definition of charmonium

noun (plural charmonia /-nēə/)

Physics
  • a combination of a charmed quark and an antiquark.

Origin:

1970s: from charm (sense 4 of the noun)

charmonium in other Oxford dictionaries

Definition of charmonium in the British & World English dictionary