plural of baryonium

(physics) A particle-like resonance preferentially coupled to baryon-antibaryon channels. It is described either as a baryon-antibaryon compound or composed of a diquark and an antidiquark.

plural of baryonium

(zoology) Any of the dinosaurs in the family Baryonychidae, a synonym for the Spinosauridae.

plural of baryonychid

Any theropod dinosaur of the subfamily Baryonychinae.

plural of baryonychine