quantum computer

noun

: a computer that takes advantage of the quantum properties of qubits to perform certain types of calculation extremely quickly compared to conventional computers
quantum computing noun
A "geek at heart," Samet, 34, is fascinated by quantum computing, a still-emerging field that involves the behavior of subatomic particles in computing. Karen Breslau

Examples of quantum computer in a Sentence

Recent Examples on the Web
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To be clear, however, operations on phi-bits are not quantum computations, only classical analogues of quantum computer systems. IEEE Spectrum, 18 June 2026 Billionaire inventor Sir Nicholas Webb has built a quantum computer called Theia, which helps MI6 foil dozens of threats. Gieson Cacho, Mercury News, 17 June 2026 The company believes fault-tolerant quantum computers could eventually tackle problems beyond the reach of conventional computing systems. Neetika Walter, Interesting Engineering, 17 June 2026 There’s irony here because the solution, for the most part, is not quantum-based, but rather preparation for a time when future quantum computers may make current encryption such as RSA and ECC ineffective. Dr. Jonathan Reichental, Forbes.com, 13 June 2026 See All Example Sentences for quantum computer

Word History

First Known Use

1982, in the meaning defined above

Time Traveler
The first known use of quantum computer was in 1982

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Cite this Entry

“Quantum computer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20computer. Accessed 25 Jun. 2026.

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