day·​glow | \ ˈdā-ˌglō How to pronounce dayglow (audio) \

Definition of dayglow

: 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, "9 best gifts for 1-year-olds 2020: Best toys and best gift ideas," 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, "How to Layer for Outdoor Dining This Fall and Winter," 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, "Thousands attend mostly peaceful Area 51 events in Nevada desert," 21 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'dayglow.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of dayglow

1951, in the meaning defined above

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Time Traveler for dayglow

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The first known use of dayglow was in 1951

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Cite this Entry

“Dayglow.” Dictionary, Merriam-Webster, Accessed 22 Apr. 2021.

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