watermark
verbEtymology From water + mark.
To mark paper with a watermark.
To mark a datafile with a digital watermark.
noun, verb — 7 senses
/ˈwɔːtəmɑːk/
Etymology From water + mark.
A translucent design impressed on the surface of paper and visible when the paper is held to the light.
Broadly A logo superimposed on a digital image, a television broadcast, etc.
Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences 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.
Computing, Engineering, Graphical user interface, Mathematics, Natural sciences, Physical sciences, Sciences 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.
Etymology From water + mark.
To mark paper with a watermark.
To mark a datafile with a digital watermark.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.