sunspot

noun

sun·​spot ˈsən-ˌspät How to pronounce sunspot (audio)
: 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 highly active sunspot that caused this historic aurora show is yet again pointing in the direction of Earth. Stephanie Vermillion, Travel + Leisure, 3 June 2024 That means more sunspots and more frequent intense solar storms. IEEE Spectrum, 25 May 2024 With the number of sunspots, there's an increase in solar flares and plasma energy and other types of space weather. George Petras, USA TODAY, 17 May 2024 Current solar cycle beginning Scientists monitor the development of the solar cycle and sunspots. George Petras, USA TODAY, 17 May 2024 See all Example Sentences for sunspot 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sunspot.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1676, in the meaning defined above

Time Traveler
The first known use of sunspot was in 1676

Dictionary Entries Near sunspot

Cite this Entry

“Sunspot.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sunspot. Accessed 8 Jun. 2024.

Kids Definition

sunspot

noun
sun·​spot -ˌspät How to pronounce sunspot (audio)
: one of the dark spots that appear from time to time on the sun's surface and are usually visible only through a telescope

More from Merriam-Webster on sunspot

Last Updated: - Updated example sentences
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