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dayside

American  
[day-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.

See Examples For:

Its dayside was significantly cooler than researchers predicted for a dark, rocky planet orbiting so close to its star.

From Science Daily ● Oct. 27, 2026

With such a tight orbit, the planet is also likely to be tidally locked, with a dayside that faces the star at all times and a nightside in perpetual darkness.

From Science Daily ● May 8, 2024

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

A smeared-out thermal emission across both a world’s illuminated dayside and its dark nightside would suggest some medium for transporting heat from infalling starlight—that is, an atmosphere.

From Scientific American ● May 11, 2023

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 Charles Louis Fontenay

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