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.
While sunspots are in many ways the opposite of coronal holes, this is still good news for those after a glimpse of the northern lights—as sunspots are known to release both solar flares and coronal mass ejections, which can trigger stunning aurora here on Earth. Barbara A. Perry, Newsweek, 28 Jan. 2025 There is no doubt that the sun has been incredibly active recently, firing out numerous powerful solar flares and CMEs, triggering strong geomagnetic storms on Earth, which, in turn, have produced some incredible auroral displays of late. Daisy Dobrijevic, Space.com, 15 Jan. 2025 All of the activity sparks solar storms, specifically solar flares and coronal mass ejections (CMEs), which hurl plasma and magnetic material into space. Addy Bink, The Hill, 5 Jan. 2025 As the sun geared up to spit a powerful solar flare into space, NASA scientists snapped huge loops of plasma leaping from the sun's surface. Michael Gfoeller and David H. Rundell, Newsweek, 16 Jan. 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

Dictionary Entries Near solar flare

Cite this Entry

“Solar flare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20flare. Accessed 7 Feb. 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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