Examples of use of Quadruple
1. Potential recruits were subjected to quadruple vetting.
2. He was the first man in the world to land six quadruple jumps in a single competition and the first to land three quadruple jumps in one program.
3. Polls predicted it would quadruple its seats to 12.
4. Producers were forced to quadruple security – at a huge cost.
5. Shortly before the trial, he had quadruple–bypass surgery.