Hy·pe·ri·on 
(hī-pîrē-ən)
(hī-pîrē-ən)n.
1. Greek Mythology A Titan, the son of Gaea and Uranus and the father of Helios.
2. A satellite of Saturn.
[Greek Huperiōn.]
- extractive
- extractively
- extractor
- extracurricular
- extraditable
- extradite
- extradition
- extrados
- extraembryonic
- extragalactic
- extrahepatic
- extra-high voltage
- extrajudicial
- extrajudicially
- extralegal
- extralegally
- extramarital
- extramundane
- extramural
- extraneous
- extraneously
- extraneousness
- extranet
- extranuclear
- extraocular muscle