septuple
  七倍(vt.)乘以七倍(a.)七的,七倍的
  Sep·tu·ple a.  Seven times as much; multiplied by seven; sevenfold.
  Sep·tu·ple, v. t. [imp. & p. p. Septupled p. pr. & vb. n. Septupling ] To multiply by seven; to make sevenfold.
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  septuple
       adj : having seven units or components [syn: sevenfold]