[f. prec. Cf. F. quintupler.]
1. trans. To multiply by five; to make five times as much or as great.
1639. Shirley, Ball, II. i. In three months your estate Will be five times as much, or quintupled.
1674. Jeake, Arith. (1696), 200. (Or quintuple it) and the Product shall be the Divisor.
1796. Burney, Mem. Metastasio, III. 101. I beg of you to quintuple,… the embraces, which I consign to you for her use.
a. 1852. Macgillivray, Nat. Hist. Dee Side (1855), 21. Who has by his various improvements quintupled his rental.
1889. Spectator, 13 April, 503/2. The endless difficulty of communication … quintuples all other difficulties.
b. To produce five times as much as.
1824. Landor, Imag. Conv., Pallavinchi & Landor, Wks. 1853, I. 42/2. This, and the celebrated vine at Hampton Court … have quintupled the most prolific.
2. intr. To increase fivefold; to become five times as many or as great.
1816. Southey, in Q. Rev., XV. 538. The population of London must at least have quintupled since that time.
1872. Buckle, Misc. Wks., I. 468. It is stated that within sixty years rents had quintupled.
