Barometric pressure refers to the weight or force exerted by the Earth's atmosphere on everything within it. It is the measure of air pressure at a specific location and can indicate changes in weather conditions. Full definition
They can sense changes in barometric pressure preceding a thunderstorm. (ka-hi.com)
Causes of the P0069 code could include a faulty manifold absolute pressure sensor, a faulty barometric pressure sensor, a fault in the circuitry of either sensor, a faulty Powertrain Control Module, or even a dirty air filter. (yourmechanic.com)
There's a sense of barometric pressure building in my ears. (automobilemag.com)