noun
lunar tide
Technical term in oceanography and astronomy for the tide component caused by the Moon's gravitational pull.
太陰潮は月の引力によって起こる潮汐の一種です。
The lunar tide is a type of tide caused by the Moon's gravitational pull.
Compound of 太陰 (たいいん, 'moon', literally 'great yin') and 潮 (ちょう, 'tide'). 太陰 is a classical Chinese-derived term for the moon, contrasting with 太陽 (たいよう, 'sun').