ejection

1 the act of expelling or projecting or ejecting [syn: expulsion, projection, forcing out]

2 the act of forcing out someone or something; "the ejection of troublemakers by the police"; "the child's expulsion from school" [syn: exclusion, expulsion, riddance]

English

Etymology

< ejectus (past participle of eicere).

Noun

1. The act of ejecting.

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

Sports

• 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.

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