Letters that make ADHD
a, d, h are letters that make 'ADHD'
1 possible definitions for 'ADHD'
Under this definition, adhd is a noun and has the following properties:
attention deficit disorder, ADD, attention deficit hyperactivity disorder, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD have the same meaning as 'ADHD'
'ADHD' can be a type of syndrome.
hyperactivity is a part of ADHD.