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refractive index in German

refractive index in German

Brechungsindex
noun
(physics) The ratio of the speed of light in air or vacuum to that in another medium.
Brechzahl
noun
(physics) The ratio of the speed of light in air or vacuum to that in another medium.
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Translations from WikDict, CC BY-SA · example sentences from Tatoeba, CC BY 2.0 FR.