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Definition of cryptography noun from the Oxford Advanced Learner's Dictionary

cryptography

noun
 
/krɪpˈtɒɡrəfi/
 
/krɪpˈtɑːɡrəfi/
[uncountable]
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  1. the art of writing or solving codesTopics Hobbiesc2
See cryptography in the Oxford Advanced American Dictionary
previously
adverb
 
 
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