nightglow

noun
night·​glow | \ ˈnīt-ˌglō How to pronounce nightglow (audio) \

Definition of nightglow

: airglow seen during the night

First Known Use of nightglow

1843, in the meaning defined above

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The first known use of nightglow was in 1843

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Cite this Entry

“Nightglow.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nightglow. Accessed 5 Dec. 2020.

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