moon
Pronunciation: /muːn/
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Definition of moon
noun
The moon orbits the earth in a period of 27.32 days, going through a series of phases from new moon to full moon and back again during that time. Its average distance from the earth is some 384,000 km and it is 3,476 km in diameter. The bright and dark features which outline the face of ‘the Man in the Moon’ are highland and lowland regions, the former heavily pockmarked by craters due to the impact of meteorites. The moon has no atmosphere, and the same side is always presented to the earth
verb
Origin:
Old English mōna, of Germanic origin; related to Dutch maan and German Mond, also to month, from an Indo-European root shared by Latin mensis and Greek mēn 'month', and also Latin metiri 'to measure' (the moon being used to measure time)