steganography

Steg`a`nog´ra`phy    (stĕg`å`nǒg´rå`fŷ)

n.	1.	The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography.
	2.	The branch of cryptography in which messages are hidden inside other messages; - used commonly for the process of hiding messages inside a computerized image file, as for example hiding the name and copyright notice of the owner of an image as protection against violation of the copyright.

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steganography

Archaic. the use of a secret language or code; cryptography. — steganographer, n.

See also: Language

Thesaurus

Noun

1.

steganography - act of writing in code or cipher coding, cryptography, secret writing committal to writing, writing - the activity of putting something in written form; "she did the thinking while he did the writing" encoding, encryption - the activity of converting data or information into code recoding - converting from one code to another decipherment, decoding, decryption - the activity of making clear or converting from code into plain text; "a secret key or password is required for decryption"