[attention deficit disorder] n (1980): a syndrome of learning and behavioral problems that is not caused by any serious underlying physical or mental disorder and is characterized esp. by difficulty in sustaining attention, by impulsive behavior (as in speaking out of turn), and usu. by excessive activity
ATTENTION DEFICIT DISORDER
Meaning of ATTENTION DEFICIT DISORDER in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012