| Standardization field | Electrical engineering | 
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| Technical committee | BAS/TC 30- Electric cables | 
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| Term (EN) | birefringence | 
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| Definition (EN) | For an anisotropie medium characterized by two refractive indices in the same direction the existence of different velocities of propagation for different, orthogonal polarizations. | 
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| Term (FR) |  | 
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| Definition (FR) |  | 
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| Term (DE) |  | 
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| Definition (DE) |  | 
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| Term (BS) |  | 
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| Definition (BS) |  | 
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| Term (HR) |  | 
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| Definition (HR) |  | 
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| Term (SR) | dvostruko prelamanje | 
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| Definition (SR) | Za anizotropni medijum koji karakterišu dva indeksa prelamanja u istom pravcu, postojanje različitih brzina prostiranja za različite ortogonalne polarizacije. | 
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| Date | 2017-08-09 | 
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| Standards | BAS IEC 60050-731:2017 | 
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