lightlike

English

Etymology

light +‎ -like

Adjective

lightlike (comparative more lightlike, superlative most lightlike)

1. (mathematics) (of a four-vector) Having a space component whose magnitude is equal to its time component multiplied by the speed of light.

Translations

having a space component equal to its time component multiplied by the speed of light

• German: lichtartig

See also

• spacelike
• timelike