Definition of Hyperion in English:

Hyperion

Syllabification: Hy·pe·ri·on
Pronunciation: /hīˈpirēən
 
/
Astronomy
A satellite of Saturn, the sixteenth closest to the planet, discovered in 1848. It has an irregular shape, with a diameter of 159 miles (255 km).

Origin

named after a Titan of Greek mythology.

Definition of Hyperion in:

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Word of the day ween
Pronunciation: wiːn
verb
be of the opinion; think or suppose