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.

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Helios British  

/ ˈhiːlɪˌɒs /

noun

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

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Etymology

Origin of Helios

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

Example Sentences

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

Investors are waiting to see how its first rack-scale solution, Helios, will stack up against Nvidia when it rolls out in the second half of this year.

From MarketWatch • Jan. 23, 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

‘Sorry. I’m fine, I’m fine. As I was saying, I have many spheres of influence. Then, of course, I have the whole “sun god” gig, which I inherited from Helios.

From "Blood of Olympus" by Rick Riordan