Question

What do you mean by atmospheric
pressure?​

Answer 1

Answer:

That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. Atmospheric pressure is commonly measured with a barometer. ... Atmospheric pressure drops as altitude increases.

Answer 2

The force per unit area exerted against a surface by the weight of air above the surface is known as atmospheric pressure.