Definition of Dione in English:

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Dione

Pronunciation: /dīˈōnē/
Astronomy
A satellite of Saturn, the twelfth closest to the planet, discovered by Cassini in 1684. Icy with a partly cratered and partly smooth surface, it has a diameter of 696 miles (1,120 km).

Origin

Named after a Titan, the mother of Aphrodite, in Greek mythology.

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