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.
The dayside of WASP-121b is so hot at around 4,500 degrees Fahrenheit (2,500 degrees Celsius) that metals on the planet can be vaporized and drift upward into its atmosphere. Robert Lea, Space.com, 3 Feb. 2025 This is when the moon reveals its full dayside to Earth. Eric Lagatta, USA TODAY, 13 Jan. 2025 Although the planet might be fairly cold, the sunny side of LHS 1140 b could be warm enough to host an ocean on its dayside, MacDonald tweeted. Michael Kan, PCMAG, 9 July 2024 In recent months, CNN has announced new programs and anchors spanning weekday mornings, dayside and primetime, as well as new weekend programs led by veterans of the channel. Etan Vlessing, The Hollywood Reporter, 8 Jan. 2024 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

Dictionary Entries Near dayside

Cite this Entry

“Dayside.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dayside. Accessed 16 Feb. 2025.

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