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Definition 2025

refractive_index

refractive index

English

Noun

refractive index ‎(plural refractive indices)

(physics) The ratio of the speed of light in air or vacuum to that in another medium.

Translations

ratio of the speed of light in vacuum to another medium

Danish: brydningsindeks n
Dutch: brekingsindex (nl) m
Finnish: taitekerroin (fi)
French: indice de réfraction m
German: Brechzahl (de) f, Brechungsindex (de) m
Japanese: 屈折率 (ja) ‎(kussetsuritsu)

Polish: współczynnik załamania (pl) m
Scottish Gaelic: ìre de sholas-bhriseadh f
Spanish: índice de refracción m
Telugu: వక్రీభవన గుణకము (te) ‎(vakrībhavana guṇakamu)