English World dictionary. V. Neufeldt. 2014.
Critical angle — Critical Crit ic*al (kr[i^]t [i^]*kal), a. [See {Critic}, n., {Crisis}.] [1913 Webster] 1. Qualified to criticise, or pass judgment upon, literary or artistic productions. [1913 Webster] It is submitted to the judgment of more critical ears to… … The Collaborative International Dictionary of English
Critical angle — can refer to: Critical angle (optics) the angle of incidence above which total internal reflection occurs Critical angle of attack, in aerodynamics; the angle of attack which produces the maximum lift coefficient Critical angle of repose, in… … Wikipedia
critical angle — i. The minimum angle of incidence at which a radio wave of a particular frequency can strike the ionosphere and still be reflected back to the earth. Critical angle is a function of frequency; the higher the frequency, the larger the critical… … Aviation dictionary
critical angle — 1. Optics. the minimum angle of incidence beyond which total internal reflection occurs for light traveling from a medium of higher to one of lower index of refraction; the angle of incidence for which refracted rays emerge tangent to the surface … Universalium
critical angle — ribinis kampas statusas T sritis fizika atitikmenys: angl. critical angle vok. Grenzwinkel, m rus. предельный угол, m pranc. angle critique, m; angle limite, m … Fizikos terminų žodynas
critical angle — kritinis kampas statusas T sritis fizika atitikmenys: angl. critical angle vok. kritischer Winkel, m rus. критический угол, m pranc. angle critique, m … Fizikos terminų žodynas
critical angle of attack — noun see critical angle 2 … Useful english dictionary
critical angle — noun the smallest angle of incidence for which light is totally reflected • Hypernyms: ↑angle of incidence, ↑incidence angle … Useful english dictionary
critical angle — noun a) The smallest angle of incidence for which light is totally reflected from a boundary between one medium and a less refractive one b) The smallest angle of attack of an airfoil at which lift suddenly decreases and drag suddenly increases … Wiktionary
critical angle — crit′ical an′gle n. 1) opt the minimum angle of incidence beyond which total internal reflection occurs for light traveling from a medium of higher to one of lower index of refraction 2) aer. the angle of attack at which a sudden change in… … From formal English to slang
