solar wind

noun

: plasma continuously ejected from the sun's surface into and through interplanetary space

Examples of solar wind in a Sentence

Recent Examples on the Web
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This particular solar storm is driven by a fast solar wind stream emanating out of a coronal hole — an area of the sun’s atmosphere where winds escape more easily. Paul Smaglik, Discover Magazine, 14 Feb. 2025 Incredible Northern Lights View From Plane By Ian Randall Deputy Science Editor Newsweek Is A Trust Project Member news article 0 The northern lights are forecast to grace the skies above the northern United States this weekend, as the Earth continues to be buffeted by a stream of solar wind. Josh Hammer, Newsweek, 14 Feb. 2025 This upcoming geomagnetic storm is driven by a high-speed solar wind stream flowing from a coronal hole — a vast region in the sun's atmosphere where solar wind escapes more easily. Daisy Dobrijevic, Space.com, 12 Feb. 2025 The mission was named after Eugene Parker, who first predicted the existence of the solar wind in the 1950s. Juliana Kim, NPR, 25 Dec. 2024 See All Example Sentences for solar wind

Word History

First Known Use

1958, in the meaning defined above

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

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Cite this Entry

“Solar wind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20wind. Accessed 1 Mar. 2025.

Kids Definition

solar wind

noun
: the continuous radiation of charged particles from the sun's surface

More from Merriam-Webster on solar wind

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