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ASD

American

abbreviation

autism spectrum disorder.

ASD British

abbreviation

psychiatry autistic-spectrum disorder

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

ASD is a neurodevelopmental condition associated with differences in social communication and behavior.

From Science Daily • Mar. 7, 2026

Scientists have long suspected that abnormal mTOR signaling may be involved in ASD.

From Science Daily • Mar. 7, 2026

Camille Grand, the head of European defence lobby group ASD, told AFP manufacturers would be able to match almost all the capabilities the United States can produce in the coming years.

From Barron's • Jan. 28, 2026

The diagnostic criteria for ASD included a broad range of social, communication and sensory interpretation differences that, crucially, could be identified at any time in a child’s life.

From Los Angeles Times • Sep. 24, 2025

Then the triangles ASB, GSD, ASD, CSB, having all the same altitude, are to each other as their bases.

From An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023