quadruple

1 quadruple /kwɑˈdruːpəl/ verb
quadruples; quadrupled; quaddrupling
1 quadruple
/kwɑˈdruːpəl/
verb
quadruples; quadrupled; quaddrupling
Britannica Dictionary definition of QUADRUPLE
1 
[no object] : to become four times bigger in value or number
2 
[+ object] : to cause (something) to become four times bigger
2 quadruple /kwɑˈdruːpəl/ adjective
2 quadruple
/kwɑˈdruːpəl/
adjective
Britannica Dictionary definition of QUADRUPLE
1 
: four times bigger in size or amount
2 
always used before a noun : having four parts or including four people or things