card catalog, card catalogue(noun)
a library catalog in which each publication is described on a separate file card
card index, card catalog, card catalogue(noun)
an alphabetical listing of items (e.g., books in a library) with a separate card for each item
The card catalog, or "catalog of characteristics," in cryptography, was a system designed by Polish Cipher Bureau mathematician-cryptologist Marian Rejewski, and first completed about 1935 or 1936, to facilitate decrypting German Enigma ciphers.
The numerical value of card catalog in Chaldean Numerology is: 5
The numerical value of card catalog in Pythagorean Numerology is: 4
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"card catalog." Definitions.net. STANDS4 LLC, 2017. Web. 13 Dec. 2017. <http://www.definitions.net/definition/card catalog>.