tardyon
/ˈtɑrdiˌɑn/
noun
- A particle that travels slower than the speed of light, as opposed to a tachyon.
- In physics, a tardyon is any particle with mass that cannot reach light speed.
- The theory distinguishes between tachyons and tardyons based on their velocity.
- All ordinary matter is made of tardyons, which move at sublight speeds.
Antonyms