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What does PI stand for?

PI stands for Point of Impact

This definition appears very rarely

See other definitions of PI

Other Resources:
We have 126 other meanings of PI in our Acronym Attic

Samples in periodicals archive:

At the point of impact he had already decelerated as much as he could, to around 33 kilometres, but the point is when you're driving a train, you're then working on velocity," Passenger Rail Agency of South Africa (PRASA) spokeswoman Nana Zenani told AFP.
It was also surprising how dramatically small changes in the amount of downward pressure affected point of impact.
[ILLUSTRATION OMITTED] The front V-rest does a good job of centering most handgun barrels while the vinyl coating minimizes or eliminates barrel bounce that can affect point of impact.
It also uses the low-vibration, double-rod carbon pendulum, which allows for high rigidity in the impact direction and a high concentration of the mass at the point of impact.