moon
noun
none the moon or the Moon the earth's natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2,160 miles (3,476 km).
moons
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pluralof moon.plural
The grammatical form denoting more than one person, place, thing, or idea.
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present tense formof moon (3rd person singular).present tense
Used to describe things happening now or regularly.
moonnounnone the moon or the Moon the earth's natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2,160 miles (3,476 km).
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One theory for the origin of the Martian moons -- the "giant impact" hypothesis -- is that they formed after a celestial body collided with Mars.
From Barron's ● Aug. 16, 2026
The "capture" hypothesis meanwhile postulates that the moons are asteroids from the outer Solar System that were captured by Mars' gravity.
From Barron's ● Aug. 16, 2026
Until recently, scientists had no spectroscopy measurements of these moons.
From Science Daily ● Aug. 14, 2026
The results support the idea that Neptune once had a very different family of moons.
From Science Daily ● Aug. 14, 2026
Galileo was right: the moons of Jupiter were a promising way of measuring longitude.
From "The Invention of Science" by David Wootton
