lunar day
| Noun | 1. | lunar day - the period of time taken for the moon to make one full rotation on its axis (about 27.3 sidereal days) |
| 单词 | lunar day | |||
| 释义 | lunar day
lunar daylunar dayThe rotation period (27.322 Earth days) of the Moon, equal in length to the sidereal month. The Moon is thus in synchronous rotation with the Earth. See also libration.lunar day[′lü·nər ′dā]lunar day
Words related to lunar day
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