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lightspeed

lightspeed

2 4.9
The fastest speed at which light moves in empty space
  • noun
  • /ˈlaɪtˌspiːd/
  • Specialized
translation icon : velocidad de la luz
  • The spacecraft reached a speed of lightspeed in just a few seconds, allowing it to travel vast distances instantly.
  • lightspeed jump
  • lightspeed delay
  • nine-tenths lightspeed

But you, you know, you've got travel in space and, you know, eventually they come up with these drives that can, you know, overcome the problem of lightspeed, right?

Examples

  • But in making the jump, timing was as important as acceleration, as she was aiming to reach lightspeed precisely at the invisible jump point.

    Fiction book (1991)
  • As they traveled near lightspeed, the stars outside the window elongated into brilliant streaks of color.

  • "We made the jump to lightspeed about two minutes ago.

    Fiction book (1991)
  • "Stand by for lightspeed," he told Artoo.

    Fiction book (1991)
  • Now, if you have a rocket ship going near lightspeed, that's a big object going very fast.

  • Chewie, when I tell you, kick out the thrusters - and jump to lightspeed.

  • The Voice said, "I have detected three ships closing at approximately eighty-five percent lightspeed and decelerating."

    Fiction book (1991)
  • As soon as that coaxium ignites, we're gonna tear out of here and the second we're clear of The Maelstrom, we jump to lightspeed.

  • Relativistic effects became noticeable between fifteen and twenty percent lightspeed, as the stars ahead crept toward the ultraviolet, and those to the rear slid into the infrared.

    Fiction book (1991)
  • At lightspeed, communications can experience significant delays due to the vast distances in space.

Synonyms

light speed
vslightspeed
  • Specialized
8 5.0

The speed that light travels in empty space

is the general notion of light's maximum travel rate in physics
speed of light
vslightspeed
4 4.0

A phrase used to say something happens very fast

is the strict physical idea focusing on fastest possible motion in vacuum

Antonyms

5 1.1

A state when something moves or happens less quickly than usual

1 6.5

Still water that does not move in pipes or lakes, causing poor quality

Idioms

at lightspeed
  • Informal
1 5.1

To happen or be done very quickly

Compounds

Very fast improvement in a project or task

How Fast

lightspeed
  • Specialized
2 4.9
sublight
  • Specialized
1 7.6
fast
1.0
slow
1.0
stationary
46 2.9

Surface Forms

lightspeed singular
lightspeeds plural

Morphology

lightspeed = light + speed (transparent) = light + speed

Literal scientific compound referring to the speed at which light travels; the components directly express the meaning.

Etymology

The word lightspeed combines light and speed. In science it means the 'speed of light', how fast light moves in empty space, and this is the 'fastest possible speed', which is why the term marks the highest speed in physics.