steganography

[ steg-uh-nog-ruh-fee ]

noun

1. the technique or practice of concealing a secret message or image in a digital file or physical object that is not secret, as when watermarking a digital image or using invisible ink.

Word History and Origins

Origin of steganography¹

First recorded in 1565–75; equivalent to Greek steganós “covered” ( stego- ( def ) ) + -graphy ( def )

Example Sentences

Steganography, steg-an-og′ra-fi, n. the art of writing in cipher or secret characters.

From Project Gutenberg