| direct current n. Abbr. DC An electric current flowing in one direction only. |
direct current
n
(Physics / General Physics) a continuous electric current that flows in one direction only, without substantial variation in magnitude Abbreviation DC Compare alternating current
direct current (d -r kt ) An electric current that moves in one direction with constant strength. Batteries are a source of direct current. Direct current is not used for long-distance power transmission because it is difficult to step up the voltage to a level that is efficient for energy transfer and then to step the voltage back down again for safe domestic use. Compare alternating current. See Notes at currentTesla, Nikola |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | direct current - an electric current that flows in one direction steadily electrical energy, electricity - energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity" alternating current, alternating electric current, AC - an electric current that reverses direction sinusoidally; "In the US most household current is AC at 60 cycles per second" |
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