rare. [noun of action to *quintuplicate vb.: cf. prec.]
1. The action of multiplying by five.
1674. Jeake, Arith. (1696), 24. To multiply by 5, called Quintuplication, adjoyn a Cypher … and take the half thereof.
1888. Encycl. Brit., XXIV. 119/2. The perceptible are evolved out of the imperceptible elements by the process of quintuplication.
2. Civil and Canon Law. A reply on behalf of the pursuer to the defendant’s quadruplication.
1860. Motley, Netherl., xviii. II. (1869), 376. Lord Henry’s harmless thunder was answered … by a ‘Quintuplication.’
