doubler

/D AH1 B AH0 L ER0/
noun
  1. 1

    One who doubles.

  2. 2

    A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.

  3. 3

    An instrument for augmenting a very small quantity of electricity, so as to render it manifest by sparks or the electroscope.

  4. 4

    (structural engineering) 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.

  5. 5

    Part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.

  6. 6

    (metalworking) A person employed in a roller mill to fold the hot metal plates in half.

  7. 7

    (calico printing) A blanket or felt placed between the fabric and the printing table or cylinder.

  8. 8

    A diaper insert.

  9. 9

    (US, dialect) A tenement house having two families on each floor.

  10. 10

    (colloquial) A biplane aeroplane or kite.