dielectric medium

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• dielectric medium — dielektrinė terpė statusas T sritis fizika atitikmenys: angl. dielectric medium; dielectrical medium vok. dielektrisches Medium, n rus. диэлектрическая среда, f pranc. milieu diélectrique, m …   Fizikos terminų žodynas

• Dielectric relaxation — is the momentary delay (or lag) in the dielectric constant of a material. This is usually caused by the delay in molecular polarization with respect to a changing electric field in a dielectric medium (e.g. inside capacitors or between two large… …   Wikipedia

• Dielectric — A dielectric is an electrical insulator that can be polarized by an applied electric field. When a dielectric is placed in an electric field, electric charges do not flow through the material, as in a conductor, but only slightly shift from their …   Wikipedia

• dielectric — dielectrically, adv. /duy i lek trik/, Elect. n. 1. a nonconducting substance; insulator. 2. a substance in which an electric field can be maintained with a minimum loss of power. adj. 3. of or pertaining to a dielectric substance. [1830 40; DI 3 …   Universalium

• Dielectric relaxation as a chemical rate process — Dielectric relaxation was interpreted as a chemical rate process by Walter Kauzmann. According to Kauzmann, relaxation rates may be arranged in two or more distinct groups: Depending on how rapidly they change with temperature. In one group, we… …   Wikipedia

• dielectric — [dī΄i lek′trik] n. [ DI(A) + ELECTRIC: so called because it permits the passage of the lines of force of an electrostatic field but does not conduct the current] a material, as rubber, glass, etc., or a medium, as a vacuum, gas, etc., that does… …   English World dictionary

• Dielectric — Di e*lec tric, n. [Pref. dia + electric.] (Elec.) Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor, separating a body electrified by induction, from …   The Collaborative International Dictionary of English

• Dielectric spectroscopy — A dielectric permittivity spectrum over a wide range of frequencies. The real and imaginary parts of permittivity are shown, and various processes are depicted: ionic and dipolar relaxation, and atomic and electronic resonances at higher energies …   Wikipedia

• Dielectric heating — A microwave oven, which uses dielectric heating to cook food Dielectric heating, also known as electronic heating, RF heating, high frequency heating and diathermy, is the process in which a high frequency alternating electric field, or radio… …   Wikipedia

• Dielectric dispersion — In physics, dielectric dispersion is the dependence of the permittivity of a dielectric material on the frequency of an applied electric field. Because there is always a lag between changes in polarization and changes in an electric field, the… …   Wikipedia

• dielectric — /daɪəˈlɛktrɪk/ (say duyuh lektrik) Electricity –adjective 1. non conducting. 2. conveying electric effects otherwise than by conduction, as a medium through which electricity acts in the process of induction. –noun 3. a dielectric substance;… …