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Hyperion

American  
[hahy-peer-ee-uhn] / haɪˈpɪər i ən /

noun

  1. Classical Mythology. a Titan, the father of Helios, Selene, and Eos.

  2. Astronomy. a natural satellite of the planet Saturn.


Hyperion 1 British  
/ haɪˈpɪərɪən /

noun

  1. Greek myth a Titan, son of Uranus and Gaea, father of Helios (sun), Selene (moon), and Eos (dawn)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Hyperion 2 British  
/ haɪˈpɪərɪən /

noun

  1. an irregular-shaped outer satellite of the planet Saturn that tumbles chaotically

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Hyperion

< Latin < Greek Hyperī́ōn, equivalent to hyper- hyper- + iṓn going; ion

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Nvidia and Uber’s partners will use Nvidia’s tech stack, including the Hyperion platform and the Alpamayo reasoning model.

From MarketWatch • Mar. 17, 2026

"Hyperion, the smallest among Saturn's major moons provided us the most important clue about the history of the system," said Ćuk.

From Science Daily • Feb. 27, 2026

“Three in a year seems low for what we want to do,” added Mike Bridenstine, general manager of the Lyric Hyperion and producer with the company.

From Los Angeles Times • Dec. 15, 2025

Enter Morgan Stanley, with a plan to have someone else borrow the money for Hyperion.

From The Wall Street Journal • Nov. 11, 2025

The silvery Titan was studying Hyperion with a frown of concentration—maybe recognition.

From "The House of Hades" by Rick Riordan