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refractive index
gen.	indeks prelamanja
photo.	indeks refrakcije
English thesaurus
refractive index
abbr., oil	net; saturation
abbr., opt.	n
jewl.	Measures the slowing down and bending of light rays as they enter a gemstone. Maybe used to identify gem species.

refractive index: 48 phrases in 3 subjects

Optics branch of physics	32
Photography	4
Technology	12