Last Updated
：2026/01/05
体内時計
Hiragana
たいないどけい
Noun
Japanese Meaning
生物の体内に備わっている、一定の周期でリズムを刻む仕組みや機構のこと。睡眠・覚醒、ホルモン分泌、体温変化などの生理現象の周期を調節する。
Easy Japanese Meaning
からだのなかで、ねるじかんやおきるじかんなどをきめるしくみ
Chinese (Simplified) Meaning
生物钟 / 生理时钟 / 体内时钟
Chinese (Traditional) Meaning
生物鐘 / 體內調控晝夜節律與生理週期的內在機制 / 調節睡眠、體溫、荷爾蒙分泌等節律的系統
Korean Meaning
생체시계 / 신체 내부의 시간 조절 메커니즘 / 일주기 리듬을 조절하는 내부 시계
Vietnamese Meaning
đồng hồ sinh học trong cơ thể / nhịp sinh học nội tại điều hòa chu kỳ ngày–đêm / cơ chế thời gian nội sinh kiểm soát ngủ–thức
Tagalog Meaning
orasan ng katawan / panloob na orasan ng katawan / orasang biyolohikal
Sense（1）
biological clock
（ canonical ）
（ romanization ）
（ kyūjitai ）
（ hiragana ）
Quizzes for review
See correct answer
My biological clock is completely messed up.
See correct answer
私の体内時計は完全に狂ってしまった。
Japanese - English
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