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dayside

American  
[dey-sahyd] / ˈdeɪˌsaɪd /

noun

  1. Journalism. the day shift of a newspaper.

  2. Astronomy. the side of a planet or moon illuminated by the sun.


Etymology

Origin of dayside

First recorded in 1960–65; day + side 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

On this unending dayside, temperatures are expected to soar far beyond the melting point of typical rock.

From Science Daily • Dec. 14, 2025

Those hazes then venture into the dayside, and are vaporized in the heat.

From Scientific American • Oct. 20, 2023

CNN on Monday announced its new programming lineup, which includes new roles for both veteran and up-and-coming anchors spanning the morning, dayside, primetime and weekend dayparts.

From Salon • Aug. 14, 2023

Its dayside temperatures should soar toward 2,700 degrees Fahrenheit, hot enough to melt rock and metal, making it a potential lava world, Dr. Lam added.

From New York Times • Dec. 2, 2021

It was near the dusk of the 485-hour Venerian day, and the Twilight Gale already had arisen, sweeping from the comparatively chill Venerian nightside into the superheated dayside.

From Wind by Fontenay, Charles Louis

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