watermarking
nounUK /ˈwɔːtəmɑːkɪŋ/
US /ˈwɔːtərmɑːrkɪŋ/
Watermarking is putting a light picture or word on paper or a photo so people know who made it.
The artist used watermarking to stop people from copying her pictures.
OTHER MEANINGS
2. The process of making a faint design in paper that you can see when you hold it up to the light.
Old paper mills used watermarking to show which mill made the paper.
3. Hiding a secret code inside a digital file, like a song or video, to show who owns it.
The company uses digital watermarking to track its movies online.
4. A mark showing how high water has risen on a wall or post.
The watermarking on the bridge shows how high the river got last winter.