card catalog: meaning, definition, pronunciation and examples

In function, they are very similar, both being physical filing systems on cards. 'Card catalogue' is specifically and primarily used for library materials (books, journals). 'Card index' (more common in UK English) can refer to a catalog but is also used for other types of indexed information (e.g., research notes, contacts).

Almost none use them as their primary finding tool. Most were converted to digital records in the late 20th century. Some libraries may keep a historical card catalogue as a backup, an archive, or a museum piece, but it is not in active use for current collections.

Digital catalogs allow for instantaneous, complex, and remote searching (e.g., by keyword, subject, phrase, publication year) across the entire collection, which is impossible with a single, physically fixed card catalog that can typically only be searched by one filed element (author, title, or subject) at a time.

The difference follows a general pattern where American English often simplifies spellings from French-derived '-ogue' to '-og' (e.g., analog, dialog, catalog). British English typically retains the '-ogue' spelling (analogue, dialogue, catalogue).

A physical filing system for organizing bibliographic information (author, title, subject) on individual cards, typically housed in drawers, used in libraries to locate books and other materials before the widespread adoption of digital systems.

Card catalog is usually formal, historical, specialized (library science) in register.

Card catalog: in British English it is pronounced /kɑːd ˈkæt.əl.ɒɡ/, and in American English it is pronounced /kɑrd ˈkæt̬.əl.ɑːɡ/. Tap the audio buttons above to hear it.