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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As quantum computers move closer to practical use, today’s encryption becomes increasingly vulnerable. Christopher McFadden, Interesting Engineering, 26 Sep. 2025 Since then, cooling atoms and trapping them has become a cottage industry, giving rise to optical atomic clocks, atomic navigation systems, and neutral-atom quantum computers. IEEE Spectrum, 24 Sep. 2025 Classical computers are needed to control quantum computers, perform error correction and analyze their readouts. Nikita Ostrovsky, Time, 23 Sep. 2025 Of the methods being tested to build and scale quantum computers, PsiQuantum is the only major player betting on photonics, due to the existing infrastructure built around the technology. Rachyl Jones, semafor.com, 10 Sep. 2025 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 30 Sep. 2025.

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