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Definitions

theoretical

[thee-uh-ret-i-kuhl] / ˌθi əˈrɛt ɪ kəl /


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.

The paper claimed the first discovery of a Majorana fermion, a theoretical particle central to the tech giant’s quantum computing effort.

From Barron's • Jun. 3, 2026

By carefully arranging tiny particles of silver into custom-built structures, they created and stabilized a previously elusive state of matter that had existed only in theoretical models.

From Science Daily • May 30, 2026

To brace for unexpected hiccups in your earnings or health, you need to plan for all scenarios rather than having a theoretical retirement date circled on your calendar.

From MarketWatch • May 29, 2026

Google says Willow can solve a theoretical problem in five minutes which would take the world's current fastest super computers 10 septillion - or 10,000,000,000,000,000,000,000,000 - years to complete.

From BBC • May 28, 2026

Soon afterwards, however, the suspicion that the regularities were important clicked inside his head as the result of several conversations with the young theoretical chemist John Griffith.

From "Double Helix" by James D. Watson




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