You searched for: “quadruplicating
quadruplicate (kwah DROO pli kayt", kwah DROOP li kayt") (verb), quadruplicates; quadruplicated; quadruplicating
1. To reproduce something four times or to multiply it by four: Alice used her photocopier so she could quadruplicate her job applications and have enough copies to present for her job interviews that were to take place the next day.
2. To multiply by four: Ted's supervisor told the committee that they must quadruplicate their efforts in order to complete the assignment on time.