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.
One type of slow solar wind, called Alfvénic, has small-scale switchbacks. Victoria Corless, Space.com, 14 July 2025 How the Sun's solar winds impact Earth's atmosphere The Earth's magnetic field is our invisible protector. Janet Loehrke, USA Today, 14 July 2025 The blue ion tail appears to have kinks because of strong solar winds when it was photographed. Carlyn Kranking, Smithsonian Magazine, 14 July 2025 Harvard University astrophysicist Avi Loeb proposed that 'Oumuamua was actually a thin solar sail (a sail designed to catch solar radiation instead of wind), which had caught the solar wind and used it to accelerate. Kiona N. Smith, Forbes.com, 11 July 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 21 Jul. 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!