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⇱ card index - WordReference.com Dictionary of English

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card index

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WordReference Random House Unabridged Dictionary of American English © 2026

card′ in′dex,

Library Sciencea file or catalog consisting of cards on which information has been entered so that desired items or data can be readily found.

1840–50, American.

Collins Concise English Dictionary © HarperCollins Publishers::

card index, card file n

an index in which each item is separately listed on systematically arranged cards

vb

(transitive) to make such an index of (a book)

'card index' also found in these entries (note: many are not synonyms or translations):

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