1. relating to or based on Einstein’s theory of relativity
Usage: physics
2. moving at speeds approaching the speed of light
Usage: physics
3. relating to relativism; holding that knowledge or truth is relative rather than absolute
Usage: philosophy

Examples

• The spacecraft would need relativistic speeds to reach nearby stars.
• Einstein’s relativistic equations revolutionized physics.
• At relativistic velocities, time dilation becomes significant.
• The particle accelerator produces relativistic electrons.
• His relativistic approach to ethics troubled traditional philosophers.
• Relativistic effects become noticeable only at extremely high speeds.
• The theory explains relativistic mass increase near light speed.