English Dictionary

pervasive developmental disorder

/pɜːˈveɪsɪv dɪˌvɛləpˈmɛntl dɪsˈɔːdə(ɹ)/

noun

(psychiatry) Any of a group of five disorders characterized by delays in the development of multiple basic functions including socialization and communication. They are: Asperger syndrome, autism, childhood disintegrative disorder, Rett syndrome, and PDD-NOS.

Pervasive developmental disorder is a term used to describe a group of disorders characterized by delays in the development of socialization and communication skills.

意味（1）

(psychiatry) Any of a group of five disorders characterized by delays in the development of multiple basic functions including socialization and communication. They are: Asperger syndrome, autism, childhood disintegrative disorder, Rett syndrome, and PDD-NOS.