Definition of attention deficit disorder in English:

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attention deficit disorder

Pronunciation: /əˈten(t)SHən ˈdefəsət diˈsôrdər/
(also attention deficit hyperactivity disorder , abbreviation ADD or ADHD)


Any of a range of behavioral disorders occurring primarily in children, including such symptoms as poor concentration, hyperactivity, and impulsivity.
Example sentences
  • Those disabilities include autism, emotional and behavioral disorders such as attention deficit hyperactivity disorder, and other learning problems such as dyslexia.
  • This may explain male vulnerability to behavioural disorders such as autism, attention deficit hyperactivity disorder, and conduct disorder, say the authors.
  • Conversely, a lack of emotional engagement between parent and infant is linked to behavioural problems such as attention deficit hyperactivity disorder and other disruptive behaviours.

For editors and proofreaders

Syllabification: at·ten·tion def·i·cit dis·or·der

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