1. the act of thrusting down or pushing away; the state of being thrust down
Usage: formal; rare

Examples

• The detrusion of the piston forces air out of the cylinder.
• The geologist studied the detrusion of rock layers during the tectonic event.
• Detrusion of the shoulder blade can cause discomfort in athletes.
• The engineer designed the mechanism to prevent detrusion of the valve.
• Medical texts describe the detrusion of organs during certain surgical procedures.