four·fold /ˈforˌfold, ˈfɔr, ˈfold/
 (a.)四重的,四倍的,四壘的(ad.)四倍,四重


 Four·fold a. & adv.  Four times; quadruple; as, a fourfold division.
    He shall restore the lamb fourfold.   --2 Sam. xii. 6.


 Four·fold, n. Four times as many or as much.


 Four·fold, v. t. To make four times as much or as many, as an assessment; to quadruple.

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 fourfold
      adj 1: four times as great or many; "a fourfold increase in the
             dosage" [syn: quadruple]
      2: having four units or components; "quadruple rhythm has four
         beats per measure"; "quadruplex wire" [syn: quadruple, quadruplicate,
          quadruplex]
      adv : by a factor of four; "the price of gasoline has increased
            fourfold over the past two years" [syn: four times]