Bedeutung von “quadruple” — Learner’s Dictionary

quadruple

verb [ I, T ] us uk /kwɒdˈruːpl/

If an amount quadruples, it becomes multiplied by four, or if you quadruple it, you multiply it by four:

The number of visitors to the town has quadrupled in the last two years.

(Definition von “quadruple” aus dem Cambridge Learner's Dictionary © Cambridge University Press)