char·mo·ni·um 
(chär-mōnē-əm)
(chär-mōnē-əm)n.
Any of various elementary particles consisting of a charm quark and an antiquark.
[From CHARM.]
| 单词 | charmonium |
| 释义 | char·mo·ni·um (chär-mōnē-əm)n. Any of various elementary particles consisting of a charm quark and an antiquark. [From CHARM.] |
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