noun🔗ShareA distinguishing characteristic."Kindness and patience are the hallmark of a good teacher. "characterqualitymarksignChat with AIVocabulary GamePractice Reading
noun🔗ShareAn official marking made by a trusted party, usually an assay office, on items made of precious metals."The gold locket had a hallmark, proving its purity. "markmaterialbusinessvalueindustryChat with AIVocabulary GamePractice Reading
verb🔗ShareTo provide or stamp with a hallmark."The jeweler carefully hallmarked the gold necklace to certify its purity. "markbusinessqualityindustryChat with AIVocabulary GamePractice Reading