Definition of light cone in English:

light cone

Syllabification: light cone

noun

Physics
A surface in space-time, represented as a cone in three dimensions, comprising all the points from which a light signal would reach a given point (at the apex) simultaneously, and that therefore appear simultaneous to an observer at the apex.
More example sentences
  • Angular momentum can twist light cones and even make time travel possible in theory if not in practice.
  • The future light cone represents the space that will eventually be filled by light emitted at that point.
  • His work on light cones, black holes, wormholes, and time travel were are extremely revolutionary.

Definition of light cone in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day flippant
Pronunciation: ˈflɪp(ə)nt
adjective
not showing a serious or respectful attitude