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 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.

First Known Use of dayglow

1951, in the meaning defined above

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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 29 Feb. 2020.

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Rhyming Dictionary: Words that rhyme with dayglow Encyclopedia article about dayglow

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