ADHDnoun [ U ]uk /ˌeɪ.diː.eɪtʃˈdiː/ us /ˌeɪ.diː.eɪtʃˈdiː/ mainly UK
› abbreviation for attention deficit hyperactivity disorder
(Definition of “ADHD” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
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