noun🔗ShareA translucent design impressed on the surface of paper and visible when the paper is held to the light."I held the official certificate up to the light and could see the university's watermark, proving it was genuine. "materialmarkwritingChat with AIVocabulary GamePractice Reading
noun🔗Share(by extension) A logo superimposed on a digital image, a television broadcast, etc."The company's logo was a small watermark on all their marketing materials. "mediatechnologycomputinginternetmarkChat with AIVocabulary GamePractice Reading
noun🔗ShareA 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."The document had a watermark to prevent it from being altered. "technologycomputinginternettechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareA mark indicating the level to which water has risen."After the heavy rain, the watermark on the basement wall showed how high the floodwater had reached. "environmentweathermarkChat with AIVocabulary GamePractice Reading
verb🔗ShareTo mark paper with a watermark."The printer operator carefully watermarked the important documents to prevent forgery. "markstationerywritingmediatechnologyChat with AIVocabulary GamePractice Reading
verb🔗ShareTo mark a datafile with a digital watermark."The photographer watermarked the digital images of the family portrait to prevent unauthorized copying. "technologycomputingmarkinternetChat with AIVocabulary GamePractice Reading