(also atˌtention ˌdeficit hyperacˈtivity disorder ) noun
[ U ] ( abbr. ADD , ADHD ) a medical condition, especially in children, that makes it difficult for them to pay attention to what they are doing, to stay still for long and to learn things
(also atˌtention ˌdeficit hyperacˈtivity disorder ) noun
[ U ] ( abbr. ADD , ADHD ) a medical condition, especially in children, that makes it difficult for them to pay attention to what they are doing, to stay still for long and to learn things
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005