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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Once the geometry is loaded, the quantum computer can track how particles fly through different zones. Aman Tripathi, Interesting Engineering, 4 Sep. 2026 The quantum frontier is no longer solely a question of whether quantum computers will ultimately function. Chuck Brooks, Forbes.com, 28 Aug. 2026 There’s also development in error correction, because quantum computers are quite sensitive to environments. Tal Rosenberg, Chicago Tribune, 19 Aug. 2026 This first phase of construction, anchored by PsiQuantum based in Palo Alto, California, the goal is to build and deploy the world's first large-scale quantum computer in Chicago. Tara Molina, CBS News, 18 Aug. 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 14 Sep. 2026.

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