angle of extinction

noun
the angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light (Freq. 1)
Syn: ↑extinction angle
Hypernyms: ↑angle

Useful english dictionary. 2012.

Look at other dictionaries:

  • angle d'extinction — užgesimo kampas statusas T sritis automatika atitikmenys: angl. angle of extinction vok. Löschwinkel, m rus. угол погасания, m pranc. angle d extinction, m …   Automatikos terminų žodynas

  • angle of extinction — užgesimo kampas statusas T sritis automatika atitikmenys: angl. angle of extinction vok. Löschwinkel, m rus. угол погасания, m pranc. angle d extinction, m …   Automatikos terminų žodynas

  • extinction angle — noun the angle from its axis that a crystal must be rotated before appearing maximally dark when viewed in polarized light • Syn: ↑angle of extinction • Hypernyms: ↑angle * * * noun : the angle through which a crystal is revolved from a definite… …   Useful english dictionary

  • Extinction event — …   Wikipedia

  • Extinction Crétacé-Tertiaire — Badlands près de Drumheller, Alberta, où l érosion a découvert à l air libre la limite K–T …   Wikipédia en Français

  • extinction — /ik stingk sheuhn/, n. 1. the act of extinguishing. 2. the fact or condition of being extinguished or extinct. 3. suppression; abolition; annihilation: the extinction of an army. 4. Biol. the act or process of becoming extinct; a coming to an end …   Universalium

  • Extinction angle — An extinction angle is a term used in optical mineralogy and petrology, which described the angle at which cross polarized light dims, as viewed through a thin section of a mineral in a petrographic microscope …   Wikipedia

  • extinction — ex•tinc•tion [[t]ɪkˈstɪŋk ʃən[/t]] n. 1) the act of extinguishing 2) bio the state of being extinguished or extinct 3) bio the act or process of becoming extinct: the extinction of a species[/ex] 4) psl the reduction or loss of a conditioned… …   From formal English to slang

  • Cretaceous–Tertiary extinction event — Artist s rendering of bolide impact Badlands nea …   Wikipedia

  • Celsian — Feldspath Feldspath Catégorie IX : silicates Feldspath plagioclase …   Wikipédia en Français

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