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Doubler

noun, slang

Definitions

Noun
  1. 1
    One who doubles.
  2. 2
    A tenement house having two families on each floor. US, dialectal
  3. 3
    an electronic device that doubles the voltage or the frequency of an input signal wordnet
  4. 4
    An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.
  5. 5
    A biplane aeroplane or kite. colloquial
Show 6 more definitions
  1. 6
    A metal plate riveted or welded over a preexisting metal structural component to reinforce it and relieve the stress on the preexisting component, or to serve as a patch where part of the original structure has failed or been removed.

    "The mechanics fastened a doubler over the hole where the cracked section of the plane's skin had been cut out."

  2. 7
    Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.
  3. 8
    A blanket or felt placed between the fabric and the printing table or cylinder.
  4. 9
    A person employed in a roller mill to fold the hot metal plates in half.
  5. 10
    A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.
  6. 11
    A diaper insert.

Etymology

Etymology 1

From double (verb) + -er.

Etymology 2

From double (adjective) + -er.

See also for "doubler"

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