quadruple, n.
(quadruples)
 a quantity that is four times as great as another  
<noun.cognition>
quadruple
a quantity that is four times as great as another  
<noun.cognition>
quadruple
 
lexical pointers
derivationally related form
 
semantic pointers
hypernym
 
 
 a set of four similar things considered as a unit  
<noun.group>
quadruple
quadruplet
quartet
quartette
a set of four similar things considered as a unit  
<noun.group>
quadruple
quadruplet
quartet
quartette
 
semantic pointers
hypernym