Look up watermark in Wiktionary, the free dictionary.

A watermark is a recognizable image or pattern in paper used to determine authenticity.

Watermark or watermarking may also refer to:

Technology

• Digital watermarking, a technique to embed data in digital audio, images or video
  • Audio watermark, techniques for embedding hidden information into audio signals
• Watermark (data file), a method for ensuring data integrity which combines aspects of data hashing and digital watermarking
• Watermark (data synchronization), directory synchronization related programming terminology
• Watermarking attack, an attack on disk encryption methods

Films

• Watermark (2013 film), a documentary film directed by Jennifer Baichwal and Edward Burtynsky
• Watermark (2003 film), an Australian film directed by Georgina Willis and produced by Kerry Rock.
• Watermarks (film), a 2004 documentary film about the Viennese Hakoah swim team

Music

• Watermark (Art Garfunkel album), a 1977 album by Art Garfunkel
• Watermark (Enya album), a 1988 album by Enya
• Watermark (band), the CCM singing duo Nathan and Christy Nockels
• "Watermark", a song by Mae Moore from her 1995 album Dragonfly
• "Watermark", a song by The Weakerthans from their 2000 album Left and Leaving

Organizations

• Watermark Inc., a radio syndication company
• Shenhua Watermark coal mine

Other uses

• Watermark, a 1992 book by Joseph Brodsky

See also

• Watermark, superimposed identifying digital on-screen graphic in video production
• High water mark (disambiguation)