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
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When the tangled magnetic field lines around these spots burst, the sun emits solar flares and coronal mass ejections of dense plasma that can cause geomagnetic storms on Earth. Tereza Pultarova, Space.com, 25 Feb. 2026 That shines like a solar flare. Ryan Brennan, Kansas City Star, 23 Feb. 2026 Under the tutelage of Professor Charles Xavier (James McAvoy), her telekinetic powers become difficult to control after she is struck by solar flares while rescuing the space shuttle Endeavor. David Faris, TheWeek, 16 Feb. 2026 Meanwhile, the sheer curtains came alive with layered projections — solar flares, pulsing wavelengths, images of Reznor casting ghostly echoes of himself across the gauze in duplicate, triplicate, quadruplicate. Théoden Janes, Charlotte Observer, 11 Feb. 2026 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 1 Mar. 2026.

Kids Definition

solar flare

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

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