relativistic
1. [ adjective ] (physics) relating or subject to the special or the general theory of relativity
Examples:

"relativistic quantum mechanics" "relativistic increase in mass" "radiation from relativistic particles"

Related terms: physics relativity
2. [ adjective ] of or relating to the philosophical doctrine of relativism
Related terms: relativism
Similar spelling:   relativism
  relativise
  relativize
  relativity
  relatively
  relative_clause