light speed


: the speed of light
Accelerating particles to near light speed, such machines are ideal for smashing them to make exotic states of matter, blast out new particles, or even search for new dimensions of space.Adrian Cho
also, informal : an extremely fast rate or speed
A Netflix spokesman said it was adding titles at light speed while negotiating daily with studios, which have their own strategy for dealing with online distribution. Josh Quittner

Examples of light speed in a Sentence

Recent Examples on the Web The only way Starshot could reach a good fraction of light speed is with an unusually powerful 100-gigawatt laser. Ann Finkbeiner, Scientific American, 22 Dec. 2016 Shep sighed and engaged the thrusters, revving the ship past light speed. Sean McGowan, The New Yorker, 19 June 2024 The Hotline’s view: — Big 12 presidents are fretting over an enrollment cliff approaching at light speed. Jon Wilner, The Mercury News, 18 June 2024 Pisces February 19 – March 20 Heads up, Pisces — events are flying at you at light speed!, New York Daily News, 9 June 2024 See all Example Sentences for light speed 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'light speed.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of light speed was in 1914

Dictionary Entries Near light speed

Cite this Entry

“Light speed.” Dictionary, Merriam-Webster, Accessed 15 Jul. 2024.

Last Updated: - Updated example sentences
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