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speed

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noun speed pronunciation in British English /spiːd/
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singularspeed
pluralspeeds
  1. 1
    [countable/uncountable] the rate at which someone or something moves
    speed of:

    The device measures the speed and direction of the wind.

    top speed (=the fastest that something can travel):

    The new model has a top speed of 125 miles per hour.

    pick up/gather speed (=go faster):

    The hurricane has picked up speed and turned towards the coast.

    1. a.
      the rate at which a machine works

      a printing speed of 6 pages per minute

    2. b.
      the rate at which something happens

      They were working with incredible speed.

  2. 2
    movement that is very fast

    The main advantage of this bike is its speed.

    at speed (=very fast):

    The car drove off at speed.

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