Iapetus definitions

ī-ăp'ĭ-təs, ē-ăp'-
A Titan who was the father of Prometheus and Atlas and an ancestor of the human race.
noun
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A satellite of Saturn.
noun
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A satellite of Saturn having an extreme contrast of low and high reflectiveness on its leading and trailing sides.
noun
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(Greek mythology) A Titan, the son of Uranus and Gaia, and father of Atlas, Prometheus, Epimetheus, and Menoetius.
pronoun
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0
(astronomy) The third largest moon of Saturn.
pronoun
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(geology) An ancient ocean which existed between 600 and 400 million years ago.
pronoun
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Origin of iapetus

Latin Īapetus from Greek Īapetos