quarkonium [kwawr-koh-nee-uh m, kwahr-] Word Origin noun Physics.
- a meson composed of a quark and an antiquark of the same flavor.
Origin of quarkonium 1975–80; quark + -on1 + -ium, on the model of positronium and similarly named particles
quarkonium [kwawr-koh-nee-uh m, kwahr-] Word Origin noun Physics.
Origin of quarkonium 1975–80; quark + -on1 + -ium, on the model of positronium and similarly named particles