Значения термина double refraction на английском

Although cubic in form, analcite usually shows feeble double refraction, and is thus optically anomalous.

Histological examination showed typical amyloid masses that demonstrated apple-green double refraction on examination of the Congo red-stained section under polarized light.

The difference, 0.1723, between these two indices gives a measure of the bi-refringence or double refraction.

Transparent and colourless, like glass, this mineral possesses the property of double refraction-anysmall object viewed through it in a particular direction appearing double.

Rays produced by the Double Refraction of Quartz.

Double refraction is displayed in a particularly impressive manner by Iceland spar, which is crystallized carbonate of lime.