Word.ws English Dictionary

light barrier

light barrier noun: the speed of light, seen as a barrier to faster-than-light travel.

Noun

light barrier (uncountable)

  1. The speed of light, seen as a barrier to faster-than-light travel.

Origin of light barrier

On the grounds that special relativity predicts that no object can travel faster than light. Compare sound barrier.

Questions about light barrier

What does light barrier mean?
Light barrier means the speed of light, seen as a barrier to faster-than-light travel.
What part of speech is light barrier?
Light barrier is a noun.

Words near light barrier in the dictionary

  1. light at the end of the tunnel
  2. light ball
  3. light balls
  4. light barrel
  5. light barrels
  6. light barrier
  7. light bill
  8. light bills
  9. light blue
  10. light blues
  11. light bob

Source and license

Adapted from Wiktionary: light barrier (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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