AD
AD typically denotes Microsoft’s Active Directory service or advertisements, and in other fields it can stand for AMD the chip maker, a measurement of acetabular depth, or an active disease condition.
Medical
Alternating Days
Admission and Discharge
Adult Disease
Admitting Diagnosis
Attachment Device
Auris Dexter (Right Ear)
ADenovirus
Abdominal Diaphragmatic breathing
Anatomic Design
After Death
Auditory Discrimination
Aortic Diameter
As Directed
Acute Disorder
Amoebic Dysentery
Arterial Device
Attention Deficit
Up to ....
Auris Dextra (right ear)
right ear (Lat.)
Abdominal Diameter
Abdominal Discomfort
Above Diaphragm
Accident Dispensary
Acetabular Depth
Active Disease
Acute Dermatomyositis
Acute Diarrhoea
Acute Dissection
Acute Dysentery
addict
Addictive Disorder
Addison’s disease
adductor
Adjustment Disorder
Adjuvant Disease
adult
Advance Directive
Affective Disorder
After Discharge
Alcohol Dependence
Alcohol Dependent
Allergic Disease
Alveolar Duct
Alzheimer’s disease
amiodarone
Anaerobic Digestion
Analgesic Dose
androstenedione
Anisotropic Disk
Anterior Deltoid
Anterior Descending
Anterior Digastric
Anterior Dorsal
Anterior Drawer
anterodorsal
Anti-Diarrhoeal
Antidepressant Drug
Antigenic Determinant
Anxiety Disorder
Aortic Dissection
Arginine Deaminase
Arrhythmic Death
Arrythmogenic Dose
Arterial Distensibility
Asperger disease
Assistive Device
Atherogenic Diet
Atopic Dermatitis
Atopic Disease
Autistic Disorder
Autoimmune Disease
Autonomic Dysfunction
Autosomal Dominant
Axillary Dissection
axiodistal
drug addict
Autonomic Dysreflexia
PCP–phencyclidine
Attention defecit
Aortic Disection
Miscellaneous
Air Dried
After Dinner
Alfred Daniel
American Dog
Alliance of Destructors
Aunt Dorothy
Ancient Dragon
Athletic Dictator
Agility Dog
Anno Domini (Year of Our Lord)
Airworthiness Directive
Anti-Dumb
Ante Diem (before the day)
Destroyer Tender (Auxiliary, Destroyer)
Andorra
apted AD
Adult AD
A Ad
A2 AD