eng: refractive index

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etymologically related	eng: refractive index increment
is derived from	eng: index
lexical category	noun
translation	deu: Brechungsindex
translation	deu: Brechzahl
translation	fra: indice de réfraction
translation	jpn: 屈折率
translation	nld: brekingsindex
translation	pol: współczynnik załamania
translation	spa: indice de refracción
translation	tel: వక్రీభవన గుణకము