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decoherence

British

/ ˌdiːkəʊˈhɪərəns /

noun

physics the process in which a system's behaviour changes from that which can be explained by quantum mechanics to that which can be explained by classical mechanics

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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These systems reduce decoherence, remain stable, and consist of multiple interconnected "atoms" that function together as a single unit.

From Science Daily • Apr. 13, 2026

One of the biggest challenges comes from decoherence, a process that introduces errors into quantum systems.

From Science Daily • Feb. 6, 2026

The faster the gate speed, the more computations can be performed before qubits fall out of their quantum state in a process called decoherence.

From MarketWatch • Oct. 25, 2025

In real-world conditions, these systems are particularly vulnerable to energy loss and decoherence, a process in which quantum systems lose essential properties like entanglement and superposition, leading to reduced performance.

From Science Daily • Oct. 24, 2025

The third method of causing the decoherence of the filings is that due to T. Tommasina.

From Hertzian Wave Wireless Telegraphy by Fleming, John Ambrose

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