light time

noun

The time taken for light to travel between two locations, especially celestial bodies.

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Meanings

nounlight time (countable and uncountable, plural light times)

plural light times

  1. countableuncountableastronomyThe time taken for light to travel between two locations, especially celestial bodies.
Cite this entry
APA

light time. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/light%20time

MLA

“light time.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/light%20time. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “light time,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/light%20time.

Source: light time on Wiktionary, CC BY-SA 4.0.