ordinary ray

noun

1. Optics, Crystallography. the part of a doubly refracted ray whose velocity within a crystal is the same in any direction.

ordinary ray

noun

1. the plane-polarized ray of light that obeys the laws of refraction in a doubly-refracting crystal Compare double refraction extraordinary ray

Example Sentences

The extraordinary ray, produced by the double refraction of the ordinary ray, o.

From Project Gutenberg

The ordinary ray, produced by the double refraction of the ray c. g.

From Project Gutenberg

In calc-spar, as just stated, the ordinary ray is the most refracted.

From Project Gutenberg