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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Also, a quantum computer of this size can break RSA 512 and nearly break RSA 2048. Skip Sanzeri, Forbes.com, 23 July 2025 But a quantum computer has yet to solve a useful real-world problem faster than a classical computer could, BofA pointed out. Preston Fore, Fortune, 19 July 2025 Present-day, state-of-the-art quantum computers typically suffer roughly one error every 1,000 operations. IEEE Spectrum, 10 July 2025 These are designed to withstand the kinds of attacks that quantum computers may make possible. David Dewalt, Forbes.com, 11 July 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 Jul. 2025.

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