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noun [singular]     spectrum pronunciation in American English
/ˈspektrəm/
  1. 1
    the whole range of ideas, qualities, situations, etc. that are possible

    the parties at the center of the political spectrum

    wide/broad spectrum (=a large range):

    The course covers a wide spectrum of musical activity from opera to rock.

  2. 2
    physics the complete range of colors into which light can be separated when it passes through a prism
  3. From our crowdsourced Open Dictionary
    4
    on the spectrum affected by a developmental condition such as autism or Asperger's syndrome

    Take this for an example – an autism manifesto that is developed by the people on the spectrum themselves.

    Submitted from United Kingdom on 31/05/2016
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