Ejection

Ejection may refer to the following:

• Ejection seat, safety device typically used to escape an aircraft in-flight.
• Ejection (sports), the act of officially removing someone from a game.
• Acoustic droplet ejection, a method of moving fluid using ultrasound.
• Coronal mass ejection, ejection of material from a sun's corona.
• Ejection fraction, the fraction of blood pumped with each heart beat.
• Ejecta, particles ejected from an impact crater or volcanic eruption.
• In computing, when removable media is physically pushed out of a floppy disk drive or optical disc drive, or more generally disconnected.
• Great Ejection, an event in England in 1662 when non-conforming ministers lost their positions.