Adjective
nonbaryonic (not comparable)
(astrophysics, nuclear physics) Not containing or consisting of baryons
nonbaryonic dark matter
Non-baryonic matter Candidates for nonbaryonic dark matter are hypothetical particles such as axions or supersymmetric particles. Source: Internet
Baryonic vs. nonbaryonic matter Fermi-LAT observations of dwarf galaxies provide new insights on dark matter. Source: Internet