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 Earth's magnetosphere protects the planet from the constant bombardment of solar particles, known as solar wind. Matthew Glasser, ABC News, 21 July 2025 The magnetic field can occasionally become disrupted by stronger solar winds. Janet Loehrke, USA Today, 14 July 2025 However, to more directly study incoming solar wind, researchers use additional satellites located farther upstream – hundreds of thousands of miles from Earth. Mojtaba Akhavan-Tafti, The Conversation, 11 July 2025 There is currently an Earth-facing coronal hole on the sun — a large hole in its atmosphere where magnetic fields can escape — that is creating a fast-moving and turbulent stream of solar wind to move in the direction of Earth. Jamie Carter, Forbes.com, 6 June 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

Browse Nearby Words

Cite this Entry

“Solar wind.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20wind. Accessed 4 Aug. 2025.

Kids Definition

solar wind

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

More from Merriam-Webster on solar wind

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!