quadruple
Definitions
Consisting of four parts or elements.
To increase or be multiplied by four.
A number or amount that is four times as great as another.
Examples
The company plans to quadruple its production capacity by the end of the year.
If you quadruple the amount of sugar in the recipe, the cake will be far too sweet.
The city's population is expected to quadruple over the next two decades due to rapid urban development.