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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
These storms are caused by coronal mass ejections associated with a recent solar flare from the sun.
—Grace Tucker, The Enquirer, 4 Oct. 2024
Another geomagnetic storm means another chance for some lucky Americans to witness the northern lights this week after the second largest solar flare of the current cycle was observed Tuesday.
—Anthony Robledo, USA TODAY, 3 Oct. 2024
The solar flare was an X-class solar flare, which is the largest the sun can produce.
—Anthony Franze, San Antonio Express-News, 2 Oct. 2024
Every 11 years, the sun's magnetic field reaches its solar maximum, during which time the number of solar flares is at its highest, according to NOAA.
—Julia Jacobo, ABC News, 21 Oct. 2024
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Word History
First Known Use
1938, in the meaning defined above
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Cite this Entry
“Solar flare.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20flare. Accessed 21 Nov. 2024.
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
Nglish: Translation of solar flare for Spanish Speakers
Britannica.com: Encyclopedia article about solar flare
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