'Doubler' definitions:

Definition of 'doubler'

From: WordNet
noun
An electronic device that doubles the voltage or the frequency of an input signal

Definition of 'Doubler'

From: 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.]