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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The center said a minor geomagnetic storm is forecast due to effects from the sun and strong solar winds. James Powel, USA Today, 23 Dec. 2025 According to space weather forecasters at the NOAA Space Weather Prediction Center, Earth is currently being brushed by fast-moving solar wind streaming from an Earth-facing coronal hole on the sun. Valerie Mesa, PEOPLE, 22 Dec. 2025 An analysis of this X-ray light, emitted by gasses interacting with the solar wind, will help scientists understand how the comet is being influenced by the high-energy environment surrounding our star after its marathon voyage through interstellar space. Anthony Wood, Space.com, 19 Dec. 2025 Launched in 2013 and having entered Mars' orbit in September 2014, Maven began studying the upper Martian atmosphere and its interaction with the solar wind. CBS News, 10 Dec. 2025 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 Jan. 2026.

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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