Finsen light


Fin·​sen light
: a mixture of blue, violet, and near ultraviolet light that is produced by a lamp using a high-temperature carbon arc or a mercury arc and that is used in the treatment of lupus and certain other skin conditions and in testing paints and other protective coatings

Word History


after Niels R. Finsen †1904 Danish physician

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Dictionary Entries Near Finsen light

Cite this Entry

“Finsen light.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

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