Faster-than-light
Full definition of faster-than-light
Adjective
faster-than-light
- Faster than the speed of light in a vacuum, the theoretical speed limit for travel within the universe.
Usage notes
This is the form used before a noun. After a noun, the form used is faster than light:
The laws of physics forbid faster-than-light travel.
Tachyons travel at speeds faster than light.