ADA

ADA 1 American Dental Association, a professional organization for dentists. Its Council on Dental Education and Commission on Dental Accreditation are responsible for accrediting schools of dentistry and allied professions. 2 American Diabetes Association, a nonprofit health organization that sponsors diabetes research, provides information about diabetes and diabetes prevention to patients and others, and advocates for improved treatment of people with diabetes. 3 Adenosine deaminase.