charmonium

US:USA pronunciation: respellingUSA pronunciation: respelling(chär mōnē əm)


WordReference Random House Unabridged Dictionary of American English © 2026
char•mo•ni•um  (chär mōnē əm),USA pronunciation n. [Physics.]
  1. Physicsany meson composed of a charmed quark and a charmed antiquark.
  • charm1 + -onium, probably extracted from positronium 1970–75

'charmonium' also found in these entries (note: many are not synonyms or translations):

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