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 (kwĭn-to͞o′pəl, -tyo͞o′-, -tŭp′əl, kwĭn′tə-pəl)
1. Consisting of five parts or members.
2. Five times as much in size, strength, number, or amount.
A fivefold amount or number.
tr. & intr.v. quin·tu·pled, quin·tu·pling, quin·tu·ples
To multiply or be multiplied by five.

[French, from Old French : Latin quīntus, fifth; see penkwe in Indo-European roots + -ple, -fold (from Latin -plus; see pel- in Indo-European roots).]

quin·tup′ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quintupling - increasing by a factor of five
multiplication - a multiplicative increase; "repeated copying leads to a multiplication of errors"; "this multiplication of cells is a natural correlate of growth"
References in periodicals archive ?
Here, the scientists found a quintupling in the expected incidence of gallbladder and bile duct cancers among women and a more than doubling in men.