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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As a result, a fast-moving, turbulent solar wind is escaping from the sun and, crucially, coming straight at Earth. Jamie Carter, Forbes.com, 16 May 2026 Their visibility depends on several factors, including cloud cover, darkness and how Earth's magnetic field responds to the incoming solar wind. Daisy Dobrijevic, Space.com, 15 May 2026 Remember to also keep tabs on real-time conditions using NOAA’s 30-minute aurora forecast and space-weather apps that track solar wind and magnetic field changes. Valerie Mesa, PEOPLE, 15 May 2026 Similar to how cosmic impacts can agitate and heat lunar regolith to liberate trapped particles from the solar wind, machines can do much the same. Robin George Andrews, Scientific American, 14 May 2026 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 20 May. 2026.

Kids Definition

solar wind

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

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