union catalogue
C1Formal, Academic, Professional (Library & Information Science)
Definition
Meaning
A single, unified bibliographic database that aggregates the holdings of multiple libraries or library systems.
A comprehensive search tool that allows users to see which libraries hold a specific item, facilitating resource sharing and inter-library loan. In broader contexts, can refer to any consolidated list of items from multiple separate collections.
Linguistics
Semantic Notes
Highly specific term within library science; implies a centralized search point for decentralized physical collections. Contrast with a single library's catalogue.
Dialectal Variation
British vs American Usage
Differences
Terminology is identical in both varieties. The concept is fundamental to library science globally.
Connotations
Neutral, technical. Suggests collaboration, resource sharing, and improved access.
Frequency
Low frequency in general discourse but standard within the professional field.
Vocabulary
Collocations
Grammar
Valency Patterns
[The/Our] union catalogue [contains/ lists/ aggregates] [items/ holdings] from [X] libraries.To find [item], search the union catalogue.The [library network] maintains a union catalogue.Vocabulary
Synonyms
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Rare. Could be used metaphorically for a merged list of assets or products from different branches.
Academic
Primary context. Used in library science, historical research, and information management papers.
Everyday
Very rare. Unlikely to be used outside of a library context.
Technical
Standard term in library and information technology for a database that queries multiple independent catalogues simultaneously.
Examples
By Part of Speech
adjective
British English
- The union-catalogue project took three years to complete.
American English
- The union catalog initiative improved discovery across the state.
Examples
By CEFR Level
- Our university library uses a union catalogue to show books from all campus libraries.
- Researchers often consult the national union catalogue to locate rare manuscripts held in smaller institutions.
Learning
Memory Aids
Mnemonic
Think of a trade UNION that brings different workers (libraries) together. The union catalogue brings different book lists together.
Conceptual Metaphor
A NETWORK or HUB; a single access point to many separate repositories.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Direct translation ('союзный каталог') is possible but less common. The more standard term is 'сводный каталог'.
- Do not confuse with 'union catalog' (no 'ue') – this is simply the US spelling variant.
Common Mistakes
- Using 'united catalogue' or 'combined catalogue' which are more vague and less technical.
- Pronouncing 'union' as /ʌnˈaɪ.ən/ (like 'onion') instead of /ˈjuː.nj.ən/.
Practice
Quiz
What is the primary function of a union catalogue?
FAQ
Frequently Asked Questions
No. A library website may provide *access to* a union catalogue, but the union catalogue is the specific database tool that searches across collections.
No. It holds metadata (records) about the books. The physical items remain in their respective member libraries.
A union catalogue is a curated, structured database of holdings from specific, pre-defined libraries. Google Scholar is a broad web crawler for scholarly material, not limited to specific physical collections and with less control over its sources.
Yes, by analogy. For example, a museum network might create a 'union catalogue' of their artefacts, or a company might have one for its global inventory. The core idea of a merged list from separate sources remains.