master file: meaning, definition, pronunciation and examples
C1Formal technical, Business English
Quick answer
What does “master file” mean?
A primary, authoritative data file in a computer system that serves as the main source of information, typically containing relatively permanent records.
Audio
Pronunciation
Definition
Meaning and Definition
A primary, authoritative data file in a computer system that serves as the main source of information, typically containing relatively permanent records.
A central repository or database containing essential reference data that other files or systems use and update; in broader business contexts, can refer to any principal, comprehensive document containing key organizational information.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Both varieties use 'master file' identically in technical contexts.
Connotations
Neutral technical term in both varieties. In recent years, some organizations have replaced 'master' with terms like 'primary,' 'main,' or 'source' due to socio-political sensitivity around the word 'master,' but 'master file' remains standard in legacy systems and documentation.
Frequency
Equally common in both UK and US technical/business English.
Grammar
How to Use “master file” in a Sentence
[system/software] + maintains/updates + [master file][master file] + contains/holds + [data/records][user/administrator] + accesses/consults + [master file]Vocabulary
Collocations
Examples
Examples of “master file” in a Sentence
adjective
British English
- The master-file update is scheduled for midnight.
- We identified a master-file corruption issue.
American English
- The master-file update is scheduled for midnight.
- We have a master-file integrity check running.
Usage
Meaning in Context
Business
Refers to the central database containing all permanent records of customers, products, or employees.
Academic
Used in computer science and information systems literature to describe database architecture and data management principles.
Everyday
Rare in everyday conversation unless discussing technical work.
Technical
A fundamental concept in database management, systems design, and legacy computing.
Vocabulary
Synonyms of “master file”
Strong
Neutral
Weak
Vocabulary
Antonyms of “master file”
Watch out
Common Mistakes When Using “master file”
- Using 'masterfile' as one word (should be two words: master file).
- Confusing it with a 'backup file' (master file is the primary, live version).
- Using it for any important file rather than specifically the central, authoritative source.
FAQ
Frequently Asked Questions
It is standardly written as two separate words: 'master file.'
A master file is a specific type of file, often flat or sequential, serving as the primary source. A database is a more complex, structured collection of data that may contain multiple related files or tables; a master file can be part of a database.
Due to the potentially negative connotations of the word 'master' (associated with slavery and dominance), some organizations are adopting inclusive terminology like 'primary file,' 'main file,' or 'source file.' However, 'master file' remains a deeply entrenched technical term.
Yes, but updates are typically controlled and infrequent compared to transaction files. Updates add new permanent records or amend existing core data (e.g., changing a customer's address), rather than recording daily activities.
A primary, authoritative data file in a computer system that serves as the main source of information, typically containing relatively permanent records.
Master file is usually formal technical, business english in register.
Master file: in British English it is pronounced /ˈmɑːstə ˌfaɪl/, and in American English it is pronounced /ˈmæstər ˌfaɪl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “The buck stops at the master file”
- “Single source of truth (related concept)”
Learning
Memory Aids
Mnemonic
Think of a MASTER KEY that opens all doors – a MASTER FILE holds all the key information for a system.
Conceptual Metaphor
BRAIN/CENTRAL NERVOUS SYSTEM (the master file is like the brain storing core memories that the body/systems consult).
Practice
Quiz
What is the primary characteristic of a master file?