quadruple
adjective
- 1
four times as great or many
a fourfold increase in the dosage
- 2
having four units or components
quadruple rhythm has four beats per measure
quadruplex wire
noun
- 1
a quantity that is four times as great as another
- 2
a set of four similar things considered as a unit
verb
- 1
increase fourfold
His stock earning quadrupled
Also useful for “quadruple”:Scrabble— High-value letters — see what it scores