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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; 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.

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

The team behind Helios began in 2014 as Cambridge Quantum in England before joining with Honeywell Quantum Solutions, an arm of the U.S. industrial giant, to create Quantinuum.

From The Wall Street Journal • Mar. 23, 2026

AMD “at least” has an agreement with OpenAI for its Helios rack starting in the second half of this year, Rasgon said, but the AI startup is so far the only major customer.

From MarketWatch • Jan. 21, 2026

The company unveiled its latest system, Helios, in November 2025, with CEO Rajeeb Hazra describing it as “the world’s most accurate quantum computer.”

From Barron's • Jan. 14, 2026

Immortal, too, their cowherds are—their shepherds— Phaethousa and Lampeti'a, sweetly braided nymphs that divine Neaira bore to the overlord of high noon, Helios.

From "The Odyssey" by Homer