[f. L. triplicāt-, ppl. stem of triplicāre (see prec.), f. triplex, triple.]
1. trans. To multiply by three; to increase threefold; to triple.
1623. Cockeram, Triplicate, to triple, or doe a thing three times.
1652. Benlowes, Theoph., X. lxi. Couldst thou engross Cathaiahs Gems And more than triplicate Romes triple diadems.
1717. B. Taylor, in Phil. Trans., XXX. 614. This Formula will also triplicate the number of true Figures in Z.
1871. Daily News, 19 Jan. They have thus triplicated the defences of a tract they had judged to be exposed.
2. To make or provide in triplicate; to make the triplicate of; to repeat a second time.
1639. Gentilis, trans. Servitas Inquis. (1676), 851. They might reply, and triplicate the same request with greater instance.
1653. R. Sanders, Physiogn., 249. Such a person usually reiterates and triplicates his words, to little purpose.
1879. G. Meredith, Egoist, xxxvi. We are in danger of duplicating [wedding-presents] and triplicating and quadruplicating.
Hence Triplicating ppl. a.
1906. Hibbert Jrnl., April, 593. Hegels argument was a kind of trinity: i. e. it moved in a triplicating way,thesis, antithesis and synthesis.