Fraunhofer lines

noun plural

Fraun·​ho·​fer lines ˈfrau̇n-ˌhōf-ər- How to pronounce Fraunhofer lines (audio)
: the dark lines in the spectrum of sunlight

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Cite this Entry

“Fraunhofer lines.” Medical Dictionary, Merriam-Webster, Accessed 25 May. 2024.

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