What does AD stand for?

What does AD mean?

AD	Advertisement Business » General
AD	Active Directory Internet
AD	Active Directory Computing » Drivers
AD	And Do .... Computing » Texting
AD	Application Development Computing » Software
AD	All Day Business » Positions
AD	Art Director Business » Positions
AD	Assistant Director Governmental » FBI Files
AD	Assistant Director Business » Positions
AD	Alzheimer's Disease Medical » Physiology
AD	Associate Director Governmental » Military
AD	Active Duty Governmental » Military
AD	After Death Medical » Physiology
AD	Attention Deficit Medical » Physiology
AD	Anti Dumping Governmental » US Government
AD	ADenovirus Medical » Physiology
AD	Associate Degree Academic & Science » Academic Degrees
AD	Air Dried Miscellaneous » Food
AD	Air Defense Governmental » Military
AD	Aggregate Demand Business » General
AD	Anno Domini International » Latin
AD	Alzheimer's Disease Medical » Hospitals
AD	Auris Dexter (Right Ear) Medical » Physiology
AD	Armored Division Governmental » Military
AD	Assistant Deputy Business » Positions