Word.ws English Dictionary

lightlike

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

Adjective

lightlike (comparative more lightlike, superlative most lightlike)

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

Forms of lightlike

comparativemore lightlike
superlativemost lightlike

Origin of lightlike

From light + -like.

Questions about lightlike

What does lightlike mean?
Lightlike means (of a four-vector) Having a space component whose magnitude is equal to its time component multiplied by the speed of light.
What part of speech is lightlike?
Lightlike is an adjective.

Words near lightlike in the dictionary

  1. lightless
  2. lightlessly
  3. lightlessness
  4. lightlier
  5. lightliest
  6. lightlike
  7. lightliness
  8. lightly
  9. lightman
  10. lightmans
  11. lightmap

Source and license

Adapted from Wiktionary: lightlike (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.

Last updated:

Cite this entry: “lightlike.” Word.ws, https://word.ws/lightlike. Based on Wiktionary, CC BY-SA 4.0.