Ejection

Ejection and ejecting can refer to the following:

Accidents and safety

* Ejection seat, safety device typically used to escape an aircraft in-flight
* To be forcefully thrown from a moving vehicle, such as in a car accident

ports

* Ejection (sports), the act of removing a player or team official from a game, usually for misconduct or other rules violation or for fighting.

Medicine and science

* Acoustic droplet ejection, a method of moving fluid, without physical contact, using ultrasound
* Coronal mass ejection, ejection of material from a sun's corona
* Ejection fraction, the fraction of blood pumped with each heart beat
* Particles ejected during the formation of an impact crater or volcanic eruption are known as ejecta.

Firearms

* Automatic and semi-automatic weapons have a cycle of opreation, one step of which being ejection. It occurs when the spent cartidge is ejected from the weapon throught the ejection port.

* Shotguns are configured to eject spent cartridges in the following manner: after firing a shell, the operator "racks" the action of the shotgun rearward, causing the spent cartridge to eject from the ejection port.