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quantum computing

American  
[kwahn-tuhm-kuhm-pyoot-ing] / ˈkwɑn təm kəmˈpyut ɪŋ /

noun

  1. the field of computer science concerned with the development and use of quantum computers.

  2. the use of quantum computers to process and store data.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This performance boost comes from two defining features of quantum computing.

From Science Daily • Apr. 17, 2026

This new approach integrates quantum computing into a specific stage of the AI training process.

From Science Daily • Apr. 17, 2026

This level of interest appears to be helping the country make significant inroads in quantum computing.

From Barron's • Apr. 14, 2026

He says there are four other "important" French quantum computing firms: Pasqal, Quandela, Quobly and C12.

From BBC • Apr. 13, 2026

Specifically, Google’s new paper showed a 20-fold reduction in the quantum computing power needed to break the type of math-based security system that secures transactions on bitcoin and ether.

From MarketWatch • Mar. 31, 2026

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.