Gradual
131gradualness — noun 1. the property possessed by a slope that is very gradual • Syn: ↑gentleness • Ant: ↑abruptness • Derivationally related forms: ↑gentle (for: ↑gentleness), ↑ …
132Uncontrolled decompression — refers to an unplanned drop in the pressure of a sealed system, such as an aircraft cabin and typically results from human error, material fatigue, engineering failure or impact causing a pressure vessel to vent into its lower pressure… …
