What does AD stand for?

AD stands for autistic disorder

This definition appears rarely

Other Resources: Acronym Finder has 200 verified definitions for AD

Samples in periodicals archive:

Autistic disorder Autism is diagnosed and treated in the Child Development Center at Children's Hospital of Wisconsin. What is autistic disorder?

Read the basics on autistic disorder, or autism, describing what children with autism are like and including a checklist of signs and symptoms of autism.