Watermark meaning

wôtər-märk, wŏtər-
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Information directly encoded into the data portion of an image, video, or audio file that identifies the copyright owner or a licensed user. In image or video files, a watermark may be either visible or invisible.
noun
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To mark (paper) with a watermark.
verb
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To impress (a pattern or design) as a watermark.
verb
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To insert (a digital file) with a watermark.
verb
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A mark showing the limit to which water has risen.
noun
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To mark (paper) with a watermark.
verb
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To impress (a design) as a watermark.
verb
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A translucent mark or image in paper produced by pressing the paper in a mold or on a processing roll during the manufacturing process. The watermark is visible when the paper is held to a light. A watermark is used as a sign of authenticity in order to make the counterfeiting of currency and postage stamps more difficult, for example.
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Digital watermarking is the process by which visible or invisible copyright notices or other messages are embedded in audio, image, or video signals or files, program files, or Web pages, thereby providing a tracking mechanism and discouraging copyright violations. The term is derived from the practice of marking paper, especially currency and postage stamps, to discourage counterfeiting. A hidden digital watermark is a form of steganography. See also steganography.
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A translucent design impressed on the surface of paper and visible when the paper is held to the light.
noun
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To mark paper with a watermark.
verb
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To mark a datafile with a digital watermark.
verb
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Origin of watermark