noun
Meaning 1
Any of a group of disorders characterized by delays in the development of multiple basic functions including socialization and communication. They were five in the DSM-IV: Asperger syndrome, autism, childhood disintegrative disorder, Rett syndrome, and PDD-NOS.
Definition source: English Wiktionary via Wiktextract
Topics: human-sciences, medicine, psychiatry, psychology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: PDD
Antonyms: none provided