solar flare

noun

: a sudden temporary outburst of energy from a small area of the sun's surface

called also flare

Examples of solar flare 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 scientist from Viseu, Portugal, had been working to explain the physics behind astronomical phenomena such as solar flares. Kimberlee Kruesi, Fortune, 19 Dec. 2025 Solar Cycle 23, which peaked in 2001, was a strong solar cycle — with far higher sunspot numbers and stronger solar flares than Solar Cycle 24 and Solar Cycle 25. Ryan French, Space.com, 18 Dec. 2025 October was an active month for solar flares. Madeline Bartos, CBS News, 12 Dec. 2025 Plane manufacturer Airbus found intense solar storms, like solar flares, could cause pilots to lose control of the Airbus A320 series of planes, including A319, A320, and A321s. Aaron Cooper, CNN Money, 28 Nov. 2025 See All Example Sentences for solar flare

Word History

First Known Use

1938, in the meaning defined above

Time Traveler
The first known use of solar flare was in 1938

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Cite this Entry

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

Kids Definition

solar flare

noun
: a sudden temporary outburst of energy from a small area of the sun's surface

More from Merriam-Webster on solar flare

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