lunar day
noun
1
: the rotation period of the moon on its axis equal to the sidereal month of about 27¹/₃ days
2
: the interval of about 24 hours and 50 minutes of sidereal time between successive transits of the moon across the meridian of any fixed observer
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“Lunar day.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lunar%20day. Accessed 28 Nov. 2024.
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