Quadruplicate
Quadruplicate , transitive verb
[Latin quadruplicatus, past participle of quadruplicare, from quadruple{not transcribed} fourfold. See Quadruplex.]
To make fourfold; to double twice; to quadruple.
Quadruplicate , adjective
[Latin quadruplicatus, p. p.]
1.
Fourfold; doubled twice; four times repeated; as, a quadruplicate ratio, or a quadruplicate proportion.
2.
(Mathematics) Raised to the fourth power. [Rare]