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noun

Cryptography n.

The act or art of writing in code or secret characters; also, secret characters, codes or ciphers, or messages written in a secret code.

The science which studies methods for encoding messages so that they can be read only by a person who knows the secret information required for decoding, called the key; it includes cryptanalysis, the science of decoding encrypted messages without possessing the proper key, and has several other branches; see for example steganography.

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Etymology of 'Cryptography'

Collaborative International Dictionary of English 0.48

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Words linked to "Cryptography" : cryptographical, cryptanalysis, secret writing, scientific discipline, cryptographer, coding, cryptology, writing, decipherment, committal to writing, encryption, decoding, steganography, decryption