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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However, the strongest viewing opportunities are expected this evening into Friday, April 3, when the combination of lingering CME (coronal mass ejection) effects and fast solar wind streams may briefly push activity toward moderate (G2) storm levels. Valerie Mesa, PEOPLE, 2 Apr. 2026 Using this to simulate the shape of Saturn's magnetic field, the team found that the way the solar wind interacts with the ringed planet's magnetosphere is similar to interactions with the magnetic field of its fellow gas giant, Jupiter. Robert Lea, Space.com, 1 Apr. 2026 The belts also have an important job in shielding Earth from cosmic radiation, solar storms and solar wind that can be harmful to humans and damage technology. Eric Lagatta, USA Today, 10 Mar. 2026 Around the equinox, Earth’s and the sun’s magnetic fields line up in opposite directions, allowing more solar wind to stream along magnetic field lines and collide with the atmosphere. Michele Laufik, Martha Stewart, 10 Mar. 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 6 Apr. 2026.

Kids Definition

solar wind

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

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