lightspeed

English

Alternative forms

• light speed

Pronunciation

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Noun

lightspeed (plural lightspeeds)

1. The speed of light.

   • 1994 - Ursula K. Le Guin, A Fisherman of the Inland Sea. Victor Gollancz (UK), 1996. ISBN 0575602392. Page 7.

     If we're going to a world a hundred light-years from here at near lightspeed, we spend according to our own perceptions, only a few minutes doing so and arrive only a few minutes older.

2. (countable) A rate of speed.
   • 2005, W. Strawn Douglas, Oracle And Other Stories, page 134:

     He paused, then finished, “with the drive from the Linz, he can do over 500 lightspeeds to meet us.

Translations

the speed of light

• Albanian: shpejtësia e dritës (sq)
• Arabic: سرعة الضوء (ar) (súrʿat al-ḍūʾ) f
• Breton: tizh al luc'h
• Chinese:

  Mandarin: 光速 (cmn) (guāngsù)

• Danish: lysets hastighed (da)
• Dutch: snelheid van het licht (nl) f
• Esperanto: lumrapido (eo)
• Estonian: valguse kiirus (et)
• Finnish: valonnopeus (fi)
• French: vitesse de la lumière (fr) f
• German: Lichtgeschwindigkeit (de) f
• Greek: ταχύτητα του φωτός (el) (tachítita tu fotós) f
• Hungarian: fénysebesség (hu)

• Icelandic: ljóshraði (is)
• Italian: velocità della luce (it) f
• Japanese: 光速 (ja) (こうそく, kōsoku)
• Korean: 광속 (ko) (gwangsok) (光速 (ko))
• Latin: velocitas luminis (la) f
• Latvian: gaismas ātrums (lv)
• Lithuanian: šviesos greitis (lt) m
• Macedonian: брзина на светлината (mk) (b'rzina na svetlínata) f
• Persian: سرعت نور (fa) (sor'at-e nur)
• Portuguese: velocidade da luz (pt) f
• Russian: скорость света (ru) (skórostʹ svéta) f
• Spanish: velocidad de la luz (es) f
• Swedish: ljushastighet (sv) c (def singular), ljusets hastighet (sv) c
• Turkish: ışık hızı (tr) f
• Vietnamese: tốc độ ánh sáng (vi)