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charmonium

[ chahr-moh-nee-uhm ]
/ tʃɑrˈmoʊ ni əm /

noun Physics.

any meson composed of a charmed quark and a charmed antiquark.

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Origin of charmonium

1970–75; charm1 + -onium, probably extracted from positronium

Words nearby charmonium

charmeuse, Charmian, Charminar, charming, charm offensive, charmonium, charm quark, charm school, charm the pants off, charnel, charnel house
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for charmonium

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