Word二十四時間制にじゅうよじかんせいListenYour browser has no Japanese voice, so Listen is not available.How to add a Japanese voiceCommonMeaningsNounaround-the-clock systemKanji in this word二十四時間制Dictionary data: JMdict and KANJIDIC2, property of the EDRDG, used under its licence (CC BY-SA 4.0).(opens in a new tab)