1. a machine that makes copies of documents or other materials
2. a person who duplicates or copies something

Examples

• The office duplicator broke down during the busy season.
• She used the duplicator to make copies of the report for everyone.
• The old mimeograph duplicator was replaced with a modern photocopier.
• As a duplicator of famous paintings, he was skilled but not original.
• The duplicator produced fifty copies in just a few minutes.
• They needed a reliable duplicator for their small business.
• The art duplicator carefully reproduced the master’s technique.