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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
However, a powerful quantum computer using Shor’s algorithm could break these encryptions in minutes, jeopardizing the confidentiality of sensitive information, including financial transactions and national secrets. Usman Javaid, Forbes.com, 6 June 2025 Read more By Brian Barrett A quantum computer will likely one day be able to break the encryption protecting the world's secrets. Wired News, 4 June 2025 Leaders should be looking for tools and applications that support the long-term mission to keep customer data and operations safe in anticipation of quantum computers that threaten classical cryptography. John Prisco, Forbes.com, 23 May 2025 For decades now, cryptographers have known that the same problems are trivial to solve with a sufficiently large quantum computer. ArsTechnica, 20 May 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

Browse Nearby Words

Cite this Entry

“Quantum computer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20computer. Accessed 9 Jun. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!