Direct current — (red curve). The horizontal axis measures time; the vertical, current or voltage. Direct current (DC) is the unidirectional flow of electric charge. Direct current is produced by such sources as batteries, thermocouples, solar cells, and… … Wikipedia
direct current — n an electric current flowing in one direction only and substantially constant in value abbr. DC * * * (DC) a current that flows in one direction only; when modeled as a wave, its amplitude is constant. When used medically it is called galvanic… … Medical dictionary
direct current. — direct current, adj. Elect. an electric current of constant direction, having a magnitude that does not vary or varies only slightly. Abbr.: dc Cf. alternating current. [1885 90] * * * … Universalium
direct current. — direct current, adj. Elect. an electric current of constant direction, having a magnitude that does not vary or varies only slightly. Abbr.: dc Cf. alternating current. [1885 90] … Useful english dictionary
direct current — electric current electric current, electrical current electrical current, the movement of electrically charged particles, atoms, or ions, through solids, liquids, gases, or free space; the term is usually used of relatively smooth movements of… … The Collaborative International Dictionary of English
direct current — direct′ cur′rent n. elm an electric current of constant direction, having a magnitude that does not vary or varies only slightly Abbr.: DC Compare alternating current • Etymology: 1885–90 di•rect′ cur′rent, adj … From formal English to slang
direct current — noun Date: 1849 an electric current flowing in one direction only and substantially constant in value abbreviation DC … New Collegiate Dictionary
High-voltage direct current — HVDC or high voltage, direct current electric power transmission systems contrast with the more common alternating current systems as a means for the bulk transmission of electrical power. The modern form of HVDC transmission uses technology… … Wikipedia
constant current — pastovioji srovė statusas T sritis automatika atitikmenys: angl. constant current; constant direct current; zero frequency current vok. gleichbleibender Strom, m; konstanter Strom, m rus. неизменяющийся ток, m; ток нулевой частоты, m; ток… … Automatikos terminų žodynas
direct — adj., adv., & v. adj. 1 extending or moving in a straight line or by the shortest route; not crooked or circuitous. 2 a straightforward; going straight to the point. b frank; not ambiguous. 3 without intermediaries or the intervention of other… … Useful english dictionary