(any unit of force) divided by (any unit of area)
barometer
Air pressure is measured in pounds per square inch or psi.
A barometer measures atmospheric pressure to determine weather or altitude changes.
Depending on the units used in your country - air pressure is measured in either Pounds per Square Inch (PSI), or - Kilo Pascals (kPa).
it is used to measure the air pressure which is useful for the meteorologists to tell the weather, the air pressure is measured in millibars!
Barometer. Air Pressure is measured in pounds per square inch. A Baromerter measure air pressure.
Air pressure is measured in bar.
Those are (somewhat outdated) pressure units.
Air pressure is measured with a barometer.
It is measured in inches of Mercury, millibars, and hectoPascals.
Barometric pressure is the pressure used by the weight of air over a place of Earth's surface, measured by a barometer.
Atmospheric pressure is a unit of measument, and measure the pressure of the air. Much like the deeper you go in the ocean the higher the pressure is. You are actually on the bottom of an ocean of air, the higher up the less atmospheric pressure and eventually there is non when you reach outer space.