A reduction or release of pressure; the act of removing or decreasing pressure.
From de- (prefix meaning 'remove' or 'reduce') + pressure. The prefix 'de-' comes from Latin and reverses or negates the root word.
Deep-sea divers experience depressurization—but depressure is the older, less common term—showing how science invents new words when old ones don't quite fit technical needs.
Complete word intelligence in one call. Free tier — 50 lookups/day.