IPA: /kwɒˈdruːpəl/
KK: /kwɑːˈdruːpəl/
adjective
Definition: Having four parts or members, or being four times as much in size, strength, number, or amount.
Example: The recipe calls for a quadruple amount of ingredients to serve more people.
noun
Definition: A quantity that is four times as much as another amount.
Example: The total cost was a quadruple of the original price.
transitive verb
Definition: To increase something to four times its original amount or size.
Example: The company plans to quadruple its production next year.