charmonium

charmonium

[chahr-moh-nee-uhm]
noun Physics.
any meson composed of a charmed quark and a charmed antiquark.

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

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To charmonium
Collins
World English Dictionary
charmonium (tʃɑːˈməʊnɪəm)
 
n , pl -nia
physics an elementary particle that contains an antiquark and a charm quark
 
[C20: from charm (sense 7)]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature