The meaning of the Acronym AD is...

AD is

• Airworthiness Directive

More Meanings For AD:

• Associate Degree
• Artist Designer
• Architectural Digest
• Astronomsko Drustvo
• Acid Detecting
• Average Difference
• Air Density
• Anomalous Dispersion
• Aviation Division
• Arrested Development
• Aggregate Demand
• Additional Delivery
• Accumulation Distribution
• Auto Date
• Advertisement

AD is also in:

• Academic Degrees
• Architecture
• Astronomy
• Chemistry
• General
• Mathematics
• Meteorology
• Ocean Science
• Psychology