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autistic-spectrum disorder

British  

noun

  1.  ASDpsychiatry any disorder within the spectrum of autism, such as Asperger’s syndrome, characterized by impairment in communication, social interaction, and flexibility of thinking and behaviour

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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For instance, children diagnosed with an autistic-spectrum disorder often also receive a diagnosis of ADHD.

From Economist