What does AD stand for in 2009 AD?

Answer:
It is stands for an After Dinosaurs :) just kidding!
It is Anno Domini.

People usually refer it as after death for christ. But anno domini is the proper term, which means after 0 BCE.

BCE is like negative numbers on a number scale. AD is the positive numbers apparently.
First answer by Momodalo. Last edit by Zz3417. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 3 [recommend question].