relativistic definition by American Heritage Dictionary
- Of or relating to relativism.
- Physics a. Of, relating to, or resulting from speeds approaching the speed of light: relativistic increase in mass.b. Having to do with or based on the theory of relativity: relativistic mechanics.
Variant of relativism
Philos. any theory of ethics or knowledge based on the idea that all values or judgments are relative, differing according to circumstances, persons, cultures, etc.