JMdict: 1164770

一昼夜 【いっちゅうや】

  1. [n,adv] whole day and night; 24 hours
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
One, One Radical (no.1) イチ, イツ ひと-, ひと.つ 1
Daytime, Noon チュウ ひる 2
Night, Evening よ, よる 2