# Finsen light

> English word · Noun

## Definitions
1. Highly actinic light, derived from sunlight or from some form of electric lamp, used in the treatment of lupus and other cutaneous disorders.

## Etymology
After Niels Ryberg Finsen (1860-1904), Faroese-Danish physician.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/finsen-light