[1] : The Collaborative International Dictionary of English v.0.48

duple \du"ple\, a. l. duplus. see double.
   double.
   1913 webster

   duple ratio math., that in which the antecedent term is
      double the consequent, as of 2 to 1, 8 to 4, etc.
      1913 webster
see also:
double duple ratio 

[2] : WordNet (r) 2.0

duple
     adj : consisting of or involving two parts or components usually
           in pairs; "an egg with a double yolk"; "a double
           binary star"; "double doors"; "dual controls for
           pilot and copilot"; "duple or double time consists of
           two or a multiple of two beats to a measure" syn: double,
            dual
see also:
double dual 

Duple >> D Words
Duple, definition of term: Duple
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