To be multiplied by four; to increase fourfold; to become four times as much.
(2) Four times an amount.
Involving a four-person crew.
1) Four-channel audio tape recording system. 2) Room with two or more beds for four persons.
Also known as a "quad". A four person sculling boat.
a quantity that is four times as great as another
increase fourfold; "His stock earning quadrupled"
having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire"
four times as great or many; "a fourfold increase in the dosage"
A sculling boat for four rowers. Often shortened to "quad."
To multiply or to be multiplied by 4.
A quadruple is a term from mathematics, depicting an n-tuple with n being 4. This means it depicts four elements, with the order of the elements carrying meaning. This differs from a set, where the order of the elements is meaningless and where no element could exist more than once.