Insurance accidental damage
• (Venezuela ) Acción Democrática (Spanish: Democratic Action Party)
• accumulated dose (of radiation)
• Military active duty
• administrative department
• Military air defence
• air dried
• Algerian dinar (monetary unit; see also under DA)
• Alzheimer's disease
• (small caps.) anno Domini (Latin: in the year of the Lord)
• British fishing port registration for Ardrossan
• armament depot
• Art Director
• assembly district
• Assistant Director
• Politics Australian Democrat(s)
• autograph document
• average deviation
• Dame of the Order of Australia
• British vehicle registration for Gloucester