[ chahr-moh-nee-uhm ]
/ tʃɑrˈmoʊ ni əm /
any meson composed of a charmed quark and a charmed antiquark.
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Words nearby charmonium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for charmonium
/ (tʃɑːˈməʊnɪəm) /
noun plural -nia
physics an elementary particle that contains an antiquark and a charm quark
Word Origin for charmonium
C20: from charm (sense 7)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012