Hyperion

American

[hahy-peer-ee-uhn] / haɪˈpɪər i ən /

noun

Classical Mythology. a Titan, the father of Helios, Selene, and Eos.
Astronomy. a natural satellite of the planet Saturn.

Hyperion ¹ British

/ haɪˈpɪərɪən /

noun

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

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; see 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

An important clue comes from Hyperion, Saturn's small, irregularly shaped moon that tumbles chaotically in space.

From Science Daily • Feb. 27, 2026

Comedian Ahmed Bharoocha walks on stage at the Lyric Hyperion in Silver Lake to a sold-out show.

From Los Angeles Times • Dec. 15, 2025

Meta moved the project, called Hyperion, off its books into a new joint venture with investment manager Blue Owl Capital OWL 2.11%increase; green up pointing triangle .

From The Wall Street Journal • Nov. 24, 2025

Hyperion was the Titan lord of the east.

From "The House of Hades" by Rick Riordan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023