Found 2 items, similar to overpressure.
English → English (WordNet) Definition: overpressure overpressure n : a transient air pressure greater than the surrounding atmospheric pressure; “the overpressure of the blast kills by lethal concussion”
English → English (gcide) Definition: Overpressure Overpressure \O"ver*pres"sure\, n. Excessive pressure or urging. --London Athen[ae]um. [1913 Webster]