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
Both agencies agree there is a chance for additional M flares and maybe even X-class eruptions over the coming days as sunspot regions AR4436 and AR4432 continue to evolve.
—
Daisy Dobrijevic, Space.com, 11 May 2026
Dual blasts strike The back-to-back eruptions came from active sunspot region AR4419 near the Sun’s western limb.
—Neetika Walter, Interesting Engineering, 24 Apr. 2026
Hyperpigmentation, like brown or sunspots.
—Bestreviews, Mercury News, 22 Apr. 2026
The heightened conditions follow moderate solar activity that included several flares from active sunspot regions now roating across the sun’s surface.
—Valerie Mesa, PEOPLE, 9 Apr. 2026
See All Example Sentences for sunspot
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.
Daisy Dobrijevic, Space.com, 11 May 2026
Dual blasts strike The back-to-back eruptions came from active sunspot region AR4419 near the Sun’s western limb.
—Neetika Walter, Interesting Engineering, 24 Apr. 2026
Hyperpigmentation, like brown or sunspots.
—Bestreviews, Mercury News, 22 Apr. 2026
The heightened conditions follow moderate solar activity that included several flares from active sunspot regions now roating across the sun’s surface.
—Valerie Mesa, PEOPLE, 9 Apr. 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 May. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
