Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

attention–deficit/hyperactivity disorder

noun

Definition of attention–deficit/hyperactivity disorder

  1. :  attention deficit disorder —abbreviation ADHD



1987

First Known Use of attention–deficit/hyperactivity disorder

1987


Seen and Heard

What made you want to look up attention–deficit/hyperactivity disorder? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by grandiloquent style

Get Word of the Day daily email!