day·​glow ˈdā-ˌglō How to pronounce dayglow (audio)
: airglow seen during the day

Examples of dayglow in a Sentence

Recent Examples on the Web The inexpensive, plastic tower lets babies and toddlers stack five hollow plastic rings around a dayglow yellow column. Jonathan Bender, NBC News, 2 Dec. 2020 Rumpl's new Featherlite Puffy packs down small enough to fit into a purse or a small backpack, weighs one pound, and will keep your legs warmer than any pair of dayglow shell trousers. Wes Siler, Outside Online, 14 Oct. 2020 While costumed space aliens were a common, dayglow, and sometimes hilarious sight, no one reported seeing actual extraterrestrials or UFOs. CBS News, 21 Sep. 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dayglow.' 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

1951, in the meaning defined above

Time Traveler
The first known use of dayglow was in 1951

Dictionary Entries Near dayglow

Cite this Entry

“Dayglow.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2023.

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