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Helios

American  
[hee-lee-os, ‐-ohs] / ˈhi liˌɒs, ‐ˌoʊs /

noun

  1. the ancient Greek god of the sun, represented as driving a chariot across the heavens; identified by the Romans with Sol.


Helios British  
/ ˈhiːlɪˌɒs /

noun

  1. Roman counterpart: SolGreek myth the god of the sun, who drove his chariot daily across the sky

"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 Helios

First recorded in 1640–50; see origin at sun ( def. )

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.

Mr. Martin-Rayo is CEO of Helios AI, a commodity intelligence software company.

From The Wall Street Journal • Mar. 24, 2026

Helios, the most advanced quantum computer ever built, manipulates them with lasers to solve complex questions that would take conventional machines centuries.

From The Wall Street Journal • Mar. 23, 2026

When AMD hosts its next earnings call, investors will be listening for more information about the production timeline for the company’s first rack-scale solution, Helios, and the Instinct MI455 series of GPUs, Vinh said.

From MarketWatch • Jan. 22, 2026

In November 2025, Quantinuum unveiled its Helios system, which its CEO described as the world’s most accurate quantum computer.

From Barron's • Jan. 14, 2026

And the Lord Helios burst into angry speech amid the immortals: ‘O Father Zeus and gods in bliss forever, punish Odysseus’ men!

From "The Odyssey" by Homer

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