— quadrupleness , n. — quadruply , adv.
/kwo drooh"peuhl, -drup"euhl, kwod"roo peuhl/ , adj., n., v., quadrupled, quadrupling .
adj.
1. fourfold; consisting of four parts: a quadruple alliance.
2. four times as great.
3. Music. having four beats to a measure.
n.
4. a number, amount, etc., four times as great as another.
5. something, as a series of acrobatic somersaults, made up of four clearly defined parts or stages: the first trapeze artist to perform a quadruple successfully.
v.t. , v.i.
6. to make or become four times as great: To serve 24 people, quadruple the recipe. My savings quadrupled in 20 years.
[ 1325-75; ME quadruplus; cf. QUADRU-, DUPLE ]