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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Swiss researchers have developed a new type of quantum computer chip that stores data using tiny mechanical vibrations rather than conventional electromagnetic memory. Georgina Jedikovska, Interesting Engineering, 9 July 2026 Officials also emphasized the transition to more advanced cryptographic algorithms that quantum computers can’t break — a threat Google recently warned could arrive as soon as 2029. Rachyl Jones, semafor.com, 8 July 2026 Preparing for Postquantum Cryptography To prepare for the era of cryptographically relevant quantum computers, scientists regularly probe into what resources such devices might actually require. IEEE Spectrum, 7 July 2026 Researchers have identified problems where this proof-checking process likely requires a quantum computer. Ben Brubaker, Quanta Magazine, 6 July 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 15 Jul. 2026.

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