cache
C1Formal/Technical
Definition
Meaning
a hidden store of things kept for future use, especially a hidden area of a computer's memory for temporary storage of data to speed up processing.
Any collection of items hidden or stored in a secret place; in computing, a hardware or software component that stores data for future requests, speeding up data retrieval.
Linguistics
Semantic Notes
Primarily a noun; can be used as a verb meaning 'to store data in a cache'. It should not be confused with 'cachet' (prestige) or 'cash' (money). The pronunciation is identical to 'cash'.
Dialectal Variation
British vs American Usage
Differences
No significant meaning differences. Spelling and pronunciation are identical.
Connotations
Slightly more technical connotation in UK English; in US English, also commonly associated with outdoor activities like 'geocaching'.
Frequency
High frequency in IT contexts in both regions. Slightly more common in general American English due to broader outdoor/recreational usage.
Vocabulary
Collocations
Grammar
Valency Patterns
cache + [object] (e.g., cache the data)clear + the + cacheVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “clear your cache”
- “a cache of ideas”
Usage
Context Usage
Business
Refers to temporary data storage to improve website or application performance.
Academic
Used in computer science literature to discuss memory hierarchy and optimization techniques.
Everyday
Most commonly encountered when discussing web browsers (e.g., 'You need to clear your cache').
Technical
A critical component in computer architecture (CPU cache, disk cache, etc.).
Examples
By Part of Speech
verb
British English
- The application will cache your login details for 24 hours.
- It's more efficient to cache the results locally.
American English
- Your browser caches images to load pages faster.
- The system is designed to cache frequently accessed data.
adverb
British English
- N/A (not standard adverb use)
American English
- N/A (not standard adverb use)
adjective
British English
- N/A (not standard adjective use)
American English
- N/A (not standard adjective use)
Examples
By CEFR Level
- I cleared the cache on my phone.
- The website told me to clear my cache.
- Your browser stores images in a cache to make pages load faster.
- The police found a cache of stolen goods in the garage.
- Modern processors have several levels of cache to reduce memory latency.
- The explorer discovered a cache of ancient artefacts hidden in the cave.
- The database employs a sophisticated caching mechanism to handle high-volume transactions efficiently.
- Invalidating the distributed cache across server clusters posed a significant architectural challenge.
Learning
Memory Aids
Mnemonic
Think of CASH hidden in a CACHE. Both sound the same, but your cache is your secret stash.
Conceptual Metaphor
A HIDDEN TREASURE. Data/information is a valuable object stored in a secret place for safekeeping and quick access.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Не путать с 'cash' (деньги). В русском заимствовано как 'кэш', с тем же значением.
- Не переводить как 'тайник' в IT-контекстах, лучше использовать 'кэш'.
Common Mistakes
- Misspelling as 'cashe' or 'cachet'.
- Using it as a synonym for 'memory' in general (it's a specific type of temporary, fast memory).
- Confusing pronunciation with /keɪtʃ/.
Practice
Quiz
What is the primary purpose of a cache in computing?
FAQ
Frequently Asked Questions
Yes, in both British and American English, 'cache' is pronounced identically to 'cash' (/kæʃ/ or /kaʃ/).
A cache stores copies of files (like images, scripts) to speed up page loading. Cookies are small text files that store user-specific data (like login status, preferences) on the user's device.
Yes. Its original meaning is a hidden store of provisions or valuables (e.g., 'a cache of weapons', 'a food cache'). The computing term is a metaphorical extension of this.
Yes, especially in computing. It means to store data in a cache (e.g., 'The system caches the query results').
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