sunspot
noun
sun·spot
ˈsən-ˌspät 
: any of the dark spots that appear at times on the sun's surface and are usually visible only through a telescope
Examples of sunspot in a Sentence
Recent Examples on the Web
The massive sunspot region 4366 is currently so large that it can be seen without binoculars or telescopes.
—
Mary Wasson, Austin American Statesman, 5 Feb. 2026
Want to be ready for the next giant sunspot event?
—Anthony Wood, Space.com, 4 Feb. 2026
The solar blast came from a fast-growing sunspot, Active Region 4366, which has evolved into one of the sun’s most intense flare producers in a matter of days.
—Valerie Mesa, PEOPLE, 3 Feb. 2026
Intense magnetic activity caused by sunspots is expected to last through 2026, according to NOAA.
—Julia Jacobo, ABC News, 3 Feb. 2026
See All Example Sentences for sunspot
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Mary Wasson, Austin American Statesman, 5 Feb. 2026
Want to be ready for the next giant sunspot event?
—Anthony Wood, Space.com, 4 Feb. 2026
The solar blast came from a fast-growing sunspot, Active Region 4366, which has evolved into one of the sun’s most intense flare producers in a matter of days.
—Valerie Mesa, PEOPLE, 3 Feb. 2026
Intense magnetic activity caused by sunspots is expected to last through 2026, according to NOAA.
—Julia Jacobo, ABC News, 3 Feb. 2026
See All Example Sentences for sunspot
Cite this Entry
“Sunspot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunspot. Accessed 15 Feb. 2026.
Copy CitationKids Definition
sunspot
noun
sun·spot
-ˌspät
: one of the dark spots that appear from time to time on the sun's surface and are usually visible only through a telescope
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