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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The stronger the solar wind, the more dynamic and widespread the auroras can become. Daisy Dobrijevic, Space.com, 17 Apr. 2026 This surge is being fueled by a powerful interaction between the fast and slow solar wind streams, making the display more intense. Valerie Mesa, PEOPLE, 16 Apr. 2026 Stronger solar winds can occasionally cause disruptions to the magnetic field. Janet Loehrke, USA Today, 16 Apr. 2026 Apophis' surface is weathered due to eons of exposure to space weather, including solar wind and cosmic rays, according to the Massachusetts Institute of Technology. Julia Jacobo, ABC News, 14 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 23 Apr. 2026.

Kids Definition

solar wind

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

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