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

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The essential nature of magic especially intrigues physicists like Swingle, who hope to use it on a quantum computer to simulate how gravity behaves in situations where general relativity fails. Quanta Magazine, 3 June 2026 In January 2025, quantum computing stocks tumbled after Huang suggested useful quantum computers were 15 years to 30 years away. Alexa Lomonaco, CNBC, 2 June 2026 Microsoft now expects to achieve a scalable quantum computer by 2029, cutting its previous timeline in half. Neetika Walter, Interesting Engineering, 2 June 2026 Quantum cryptography had grown, as quantum computers went from theoretical ideas to experiments in the real world. Matt Von Hippel, Wired News, 23 May 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 7 Jun. 2026.

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