直ちょく流りゅうちょくりゅうJLPTN2Freq.FrequencyTop 50,000Meanings1noundirect current; DCelectricity / electronicsTechnical term in electricity and electronics; contrasts with 交流 (alternating current).この機き器きは直ちょく流りゅうで動どう作さします。This device operates on direct current.直ちょく流りゅうと