duplation

[doo-pley-shuh n, dyoo-]

noun

multiplication by two; doubling.

Origin of duplation

1375–1425; late Middle English < Latin duplātiōn-, stem of duplātiō a doubling, equivalent to duplāt(us) (dupl(us) duple + -ātus -ate¹) + -iōn- -ion

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018