dayglow

noun

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
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 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

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dayglow. Accessed 24 Nov. 2024.

More from Merriam-Webster on dayglow

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!