cause something to be made, done or happen again. In Scientology, duplication is also used to describe the action of reproducing something exactly. For example, if Person A communicated the concept of a cat to Person B and Person B got the exact sameconcept of a cat without any alteration, Person B would be said to have duplicated what was originated by Person A. —FSM Specialist Course Approved Glossary Appr. early 1991