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cryptarithm

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noun cryp·ta·rithm \ˈkrip-tə-ˌri-thəm\

Definition of cryptarithm

  1. :  an arithmetic problem in which letters have been substituted for numbers and which is solved by finding all possible pairings of digits with letters that produce a numerically correct answer



Origin and Etymology of cryptarithm

crypt- + -arithm (as in logarithm)


First Known Use: 1943


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