English version

attention-deficit hyperactivity disorder

From Longman Dictionary of Contemporary Englishattention-deficit hyperactivity disorderatˌtention-ˌdeficit hyperacˈtivity disˌorder (also attention-deficit syndrome) noun [uncountable] medical (abbreviation ADHD) 🔊 🔊 a medical condition that especially affects children. It causes them to be too active and to be unable to pay attention or be quiet for very long.
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