Definition of Iapetus in English:

Iapetus

Line breaks: Iap|etus
Pronunciation: /ʌɪˈapɪtəs
 
/
Astronomy
A satellite of Saturn, the seventeenth closest to the planet, having one bright icy side and one very dark side, discovered by Cassini in 1671 (diameter 1,440 km).

Origin

named after a Titan of Greek mythology, son of Uranus (Heaven) and Gaia (Earth).

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Word of the day conspicuous
Pronunciation: kənˈspikyo͞oəs
adjective
standing out so as to be clearly visible