noun, Optics, Crystallography.
the part of a doubly refracted ray that has changed speed and vibrations in the principal plane of the crystal.
(optics) the plane-polarized ray of light that does not obey the laws of refraction in a doubly refracting crystal Compare double refraction, ordinary ray
noun 1. secret or forcible of a suspected criminal to another country, often a country known to violate human rights and due process of law: the CIA’s extraordinary rendition of terrorist suspects; The legality and morality of extraordinary rendition have been a matter of intense debate. noun 1. the process by which a country seizes […]
noun, Radio. 1. (of the two waves into which a radio wave is divided in the ionosphere under the influence of the earth’s magnetic field) the wave with characteristics different from those that the undivided wave would have exhibited in the absence of the magnetic field.
- Extraperitoneal fascia
extraperitoneal fascia ex·tra·per·i·to·ne·al fascia (ěk’strə-pěr’ĭ-tn-ē’əl) n. See subperitoneal fascia.
[ek-struh-fiz-i-kuh l] /ˌɛk strəˈfɪz ɪ kəl/ adjective 1. outside the ; not subject to laws.