dayside

noun

day·​side ˈdā-ˌsīd How to pronounce dayside (audio)
: the side of a planet in sunlight

Examples of dayside 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.
Clouds That Form And Vanish Daily Scientists believe the clouds form on the planet's cooler nightside before circulating toward the dayside via powerful atmospheric winds. Jamie Carter, Forbes.com, 21 May 2026 The changes overhaul the mornings, dayside, primetime, and weekend schedules for MS Now after it was rebranded from MSNBC and spun out into Versant. Etan Vlessing, HollywoodReporter, 13 May 2026 The dayside reaches temperatures of about 1,340 degrees Fahrenheit (725 degrees Celsius), the scientists say. Sharmila Kuthunur, Space.com, 4 May 2026 Researchers used the telescope's Near-Infrared Spectrograph to measure the exoplanet's dayside temperature. Kerry Breen, CBS News, 12 Dec. 2025 See All Example Sentences for dayside

Word History

First Known Use

1827, in the meaning defined above

Time Traveler
The first known use of dayside was in 1827

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Cite this Entry

“Dayside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dayside. Accessed 31 May. 2026.

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