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threshold - definition and synonyms

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noun [countable] threshold pronunciation in American English /ˈθreʃˌhoʊld/
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singularthreshold
pluralthresholds
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  1. 1
    a limit at which an arrangement changes. For example a tax threshold is the level of income or profit at which you start to pay a tax
    above/below a threshold:

    The company’s turnover is well below the tax threshold.

    1. a.
      a level at which something happens. For example, your hearing threshold is the level of sound that you can hear, and your pain threshold is the level of pain that you can feel without suffering or complaining

      changes that take place below the threshold of human perception

  2. 2
    the floor at the entrance to a room or building

    Men were not allowed to cross the threshold.

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