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

For any quantum computer approach to be scalable, this error correction must remain below this threshold. —Ameya Paleja, Interesting Engineering, 26 Dec. 2025

The significance of error correction Arguably, the main trouble with today’s quantum computers is their propensity for noise. —IEEE Spectrum, 23 Dec. 2025

Before Horizon Quantum’s system came online, Singapore reportedly had one quantum computer, used primarily for research purposes. —Dylan Butts, CNBC, 4 Dec. 2025

There's one big issue with quantum computers though: most qubits need to be kept at ultracold temperatures just above absolute zero in order to function correctly. —New Atlas, 28 Nov. 2025

Word History

First Known Use

1982, in the meaning defined above

Rhymes for quantum computer

• microcomputer
• minicomputer
• supercomputer
• commuter
• polluter
• recruiter
• neuter
• pewter
• router
• scooter
• shooter
• suitor