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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Materials with high entanglement could become the backbone of future quantum computers or ultra-secure communication networks. Rupendra Brahambhatt, Interesting Engineering, 11 Apr. 2026 The Quantum Moonshot program’s mission is to build a quantum computer that can be scaled to millions of qubits. IEEE Spectrum, 9 Apr. 2026 Rigetti was not yet close to being able to sell a usable quantum computer. Ronan Farrow, New Yorker, 6 Apr. 2026 Fully functional quantum batteries could eventually power quantum computers or small conventional electronic devices. New Atlas, 4 Apr. 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 16 Apr. 2026.

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