Definition of 体内時計 (たいないどけい)
たいないどけい
体内時計
たいないどけい
tainaidokei
noun
•
biological clock
Related Kanji
| 体 | body, substance, object, reality, counter for images |
| 内 | inside, within, between, among, house, home |
| 時 | time, hour |
| 計 | plot, plan, scheme, measure |