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Definitions

quantum

[kwon-tuhm] / ˈkwɒn təm /
NOUN
quantity
Synonyms
Antonyms


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.

As Barron’s previously reported, machines of the future may be able to execute something called Shor’s algorithm: a quantum algorithm that can factor large numbers into their prime components.

From Barron's • Apr. 1, 2026

Baskets of stocks tied to quantum computing, memes, expensive software names and autonomous driving all tallied big gains.

From MarketWatch • Apr. 1, 2026

As these keys are already public, a quantum system wouldn’t be limited by the 10-minute window; it could use Shor’s algorithm to crack into these wallets at any time.

From Barron's • Apr. 1, 2026

One of the most promising approaches is quantum cryptography, which uses individual photons to generate encryption keys.

From Science Daily • Apr. 1, 2026

Zero in quantum mechanics invests the vacuum with infinite energy.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife