Digital watermarking is the act of hiding a message related to a digital signal (i.e. an. image, song, video) within the signal itseclosely related to lf. It is a concept. steganography, in that they both hide a message inside a digital signal. However, what. separates them is their goal.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  extrude(Verb) To push or thrust out. 2  extrude(Verb) To form or shape (a metal, plastic etc.) by forcing it through a die or an opening.
Definition of exfoliate. exfoliated. ; exfoliating. transitive verb. 1 : to cast off in scales, laminae, or splinters. 2 : to remove the surface of in scales or laminae. 3 : to spread or extend by or as if by opening out leaves.