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 kind of build-up is unusual because volatile elements like sodium, which can get exposed after an object is blasted with micrometeorites, are usually later depleted by solar winds blowing from the sun and the general influence of space. Robert Lea, Space.com, 24 Apr. 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, 21 Apr. 2026 To check visibility in real time, use NOAA’s 30-minute aurora forecast or download apps such as Aurora Now, My Aurora Forecast or Glendale Aurora for up-to-the-minute alerts and live solar wind data. Jamie Carter, Forbes.com, 18 Apr. 2026 This weekend, a high-speed stream of solar wind may escalate geomagnetic activity, resulting in auroras as far south as Idaho and New York, says the SWPC. Michele Laufik, Martha Stewart, 16 Apr. 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 30 Apr. 2026.

Kids Definition

solar wind

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

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