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Relativistic vs Ultarelativistic - What's the difference?

relativistic | ultarelativistic |

In physics|lang=en terms the difference between relativistic and ultarelativistic

is that relativistic is (physics) at, or near the speed of light while ultarelativistic is (physics) describing relativistic speeds very close to the speed of light.

As adjectives the difference between relativistic and ultarelativistic

is that relativistic is (physics) of, or relating to relativity while ultarelativistic is (physics) describing relativistic speeds very close to the speed of light.

relativistic

English

Adjective

(en adjective)
  • (physics) of, or relating to relativity
  • (physics) at, or near the speed of light
  • (philosophy) of, or relating to relativism

    • Derived terms

    * pseudorelativistic

    ultarelativistic

    English

    Adjective

    (en adjective)
  • (physics) Describing relativistic speeds very close to the speed of light