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AD (Anno Domini ) is a designation used to label years following 1 BC in the Julian and Gregorian calendars.
Ad (advertisement) is a form of marketing communication.
AD , A.D. or Ad may also refer to:
Audio description track, a narration track for visually impaired consumers of visual media
Educational qualifications
Artist diploma , a music performance certificate conferred by higher education institutions.
Ad (name) , a given name, and a list of people with the name
‘Ad , great-grandson of Shem, son of Noah
Anthony Davis (born 1993), American basketball player
A. D. Loganathan (1888–1949), officer of the Indian National Army
A. D. Whitfield (born 1943), American football player
A. D. Winans (born 1936), American poet, essayist, short story writer and publisher
A.D., nickname of
Adrian Peterson (born 1985), American football player
Addison's disease , an endocrine disorder
Adenovirus , viruses of the family Adenoviridae
Alzheimer's disease , a neurodegenerative disease
Anaerobic digestion , processes by which microorganisms break down biodegradable material
Anti-diarrheal , medication which provides symptomatic relief for diarrhea
Approximate digestibility , an index measure of the digestibility of animal feed
Atopic dermatitis , form of skin inflammation
Atypical depression , a type of depression
Autosomal dominant , a classification of genetic traits
Autonomic dysreflexia , a potential medical emergency
Other uses in science and technology
Active disassembly , a technology supporting the cost-effective deconstruction of complex materials
Topics referred to by the same term