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Definition of coherency

coherency

/koʊˈhɪr.ən.si/
co · her · en · cy
Adverb:coherently
•
Plural:coherencies
•
Adjective:coherent
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coherency Lexical Profile

coherency Game Scores & Validity

• noun

1

The quality of being logical, consistent, and forming a unified whole.

Example

"The editor praised the essay for its structural coherency and persuasive arguments."

2

In computing, the uniformity and synchronization of shared data stored across multiple local caches or processors.

Example

"Maintaining cache coherency is essential for preventing data corruption in multi-core processors."

Synonyms
View all synonyms for coherency
Antonyms
View all antonyms for coherency

Word Nuance & Usage

While "coherency" and "coherence" are interchangeable in general writing, "coherence" is far more common in everyday and academic contexts, whereas "coherency" is frequently preferred in computer science (such as "cache coherency").

• Rhymes for coherency

• Nearby Words

cohabitor
cohere
coherence
coherency
coherent
coherently
cohesion

Word Origin & Etymology

Derived from the Latin verb cohaerere, meaning "to stick or cleave together," formed from com- ("together") and haerere ("to stick").

Cite this Entry

Wordmom. (2026). Definition of Coherency. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/coherency
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