watermark
/ˈwɔːtəmɑːk/ noun C1- A translucent design impressed on the surface of paper and visible when the paper is held to the light.
- A logo superimposed on a digital image, a television broadcast, etc.
- A value stored in a datafile to ensure its integrity, so that if the file's contents are changed then the watermark will no longer match the contents.
- A default hint caption displayed in a text box prior to the user inputting any text.
- A mark indicating the level to which water has risen.
Plural watermarks
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