QUADRUPLICATE
Source: 566, 567
quadruplicate. Quadruplicate, a. fourfold, four times repeated
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Quad‐ru″pli‐cate (?), v. t. [imp. & p. p. Quadruplicated (?); p. pr. & vb. n. Quadruplicating.] [[L. quadruplicatus, p. p. of quadruplicare, fr. quadruple� fourfold. See Quadruplex.]] To make fourfold; to double twice; to quadruple.