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refractive index
isol.	دليل الإنكسار
radio	دليل الانكسار في اتجاه معطى
rem.sens.	معامل الانكسار
refractive index of a medium, for a monochromatic radiation of wavelength <.i>λ in vacuum
light.	مؤشر الانكسـار لوسط لوسط إشعاع أحادى الطور الموجى لموجة طولها λ فى الفراغ
refractive index of a medium
antenn., opt.	دليل انكسار فى وسط ما مؤشر التكسر
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: 8 phrases in 3 subjects

Antennas and waveguides	5
Food industry	1
Radio	2