noun. a transient air pressure greater than the surrounding atmospheric pressure.
- atmospheric pressure
Example sentences of the word overpressure
1. Noun, singular or mass
Perform an overpressure technique by sitting in a chair with one leg crossed over the other so that the ankle just hangs over the outside edge of the opposite leg.
This is the return line, and its function is to allow the excess fuel to return to the fuel tank during any overpressure condition.