lunar day in English

noun
1
the interval of time between two successive crossings of the earth's meridian by the moon (roughly 24 hours and 50 minutes).
Thus their ‘day’ would not be based on the movement of the Sun, a 24-hour cycle, but rather a lunar day , lasting 24 hours and 50 minutes.
2
the interval of time between two successive sunrises as seen from the moon.
It was designed to operate for three lunar days , but the scientific team succeeded in keeping it operating for eleven lunar days - the equivalent of 10 months.

Use "lunar day" in a sentence

Below are sample sentences containing the word "lunar day" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "lunar day", or refer to the context using the word "lunar day" in the English Dictionary.

1. The terminator – the shadow line dividing the lunar day from the lunar night – shows you where it's sunrise on the waxing moon.

2. 30 The terminator – the shadow line dividing the lunar day from the lunar night – shows you where it's sunrise on the waxing moon.