Doubler

2 definitions found

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

  Doubler \Dou"bler\, n.
     1. One who, or that which, doubles.
        [1913 Webster]
  
     2. (Elec.) An instrument for augmenting a very small quantity
        of electricity, so as to render it manifest by sparks or


        the electroscope.
        [1913 Webster]
  
     3. A part of a distilling apparatus for intercepting the
        heavier fractions and returning them to be redistilled.
        [Webster 1913 Suppl.]
  
     4. (Calico Printing) A blanket or felt placed between the
        fabric and the printing table or cylinder.
        [Webster 1913 Suppl.]

From WordNet (r) 2.0 [wn]:

  doubler
       n : an electronic device that doubles the voltage or the
           frequency of an input signal