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.
Definitions for protrudeproÊËtrud, prÉ-. Here are all the possible meanings and translations of the word protrude. Princeton's WordNet(0.00 / 0 votes)Rate this definition: stick out, protrude, jut out, jut, project(verb) extend out or project in space. His sharp nose jutted out; A single rock sticks out from the cliff.