plural of baryon number

plural of baryonic matter

plural of exotic baryon

(astronomy) Any large aggregate of ordinary matter that does not emit light.

plural of baryon acoustic oscillation

one of the regular periodic fluctuations in the density of the visible baryonic matter of the universe

(astronomy, physics) dark matter comprising elementary particles whose composition is as yet unknown, but is presumed to be unlike normal protons, neutrons and electrons etc.

plural of robust association of massive baryonic objects

(astronomy) a low-luminosity cluster of brown dwarfs and white dwarfs

Without baryons.