solar sail

noun

: a propulsive device for a spacecraft that consists of a flat material (such as aluminized plastic) designed to receive thrust from solar radiation pressure

Examples of solar sail in a Sentence

Recent Examples on the Web
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Construction is underway for a full-scale version of NOAA's solar sail, which is part of the Solar Cruiser project in collaboration with NASA. Meredith Garofalo, Space.com, 16 Feb. 2025 But that solar sails can be manipulated in orbit and used for various purposes is no longer in doubt. IEEE Spectrum, 28 Mar. 2012 One of the spacecraft, Lunar Flashlight, will use its solar sail to maneuver and to reflect light onto the moon's south pole. IEEE Spectrum, 26 Jan. 2015 But there is a bright spot on the near horizon for solar sail tests. IEEE Spectrum, 26 Jan. 2015 See All Example Sentences for solar sail

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of solar sail was in 1958

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Cite this Entry

“Solar sail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20sail. Accessed 12 Jun. 2025.

Last Updated: - Updated example sentences
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