Autism is a neurodevelopmental disorder characterized by impaired social interaction, verbal and non-verbal communication, and restricted and repetitive behavior.Parents usually notice signs in the first two years of their child's life.iagnosis is based on behavior, not cause or mechanism. Under the DSM-5, autism is characterized by persistent deficits in social communication and interaction across multiple contexts, as well as restricted, repetitive patterns of behavior, interests, or activities.
Dough definition, flour or meal combined with water, milk, etc., in a mass for baking into bread, cake, etc.; paste of bread. See more.
Full Definition of CRUST. 1. a: the hardened exterior or surface part of bread b: a piece of this or of bread grown dry or hard. 2. : the pastry cover of a pie. 3.efinition of CRUST for Kids. 1. : the hardened outside surface of bread. 2. : a hard dry piece of bread. 3. : the pastry cover of a pie. 4. 5. : the outer part of the earth.