In physics|lang=en terms the difference between relativistic and graphino
is that
relativistic is (physics) at, or near the speed of light while
graphino is (physics) a massless charged relativistic quasiparticle that arises from the low-energy excitations in a 2d graphene sheet interacting with an electromagnetic field.
As an adjective relativistic
is (physics) of, or relating to relativity.
As a noun graphino is
(physics) a massless charged relativistic quasiparticle that arises from the low-energy excitations in a 2d graphene sheet interacting with an electromagnetic field.