ejection

/ɪˈʤɛkʃən/

Other forms: ejections

The action of something being forced or thrown out is called ejection. If you notice an ejection of black smoke from your car's tail pipe, you'll probably want to take it to a repair shop.

There is the physical kind of ejection, when a substance or object is propelled or projected away from or out of something else, like the ejection of a bullet from a gun or the ejection of lava from a volcano. Another kind of ejection happens when someone is instructed or forced to leave, like the ejection of a rowdy customer from a bar or an unpopular politician from public office. The Latin root, eicere, means "throw out."

Definitions of ejection

1. noun

   the act of expelling or projecting or ejecting
   synonyms: expulsion, forcing out, projection

   types:

   belch, belching, burp, burping, eructation

   a reflex that expels gas noisily from the stomach through the mouth

   belching

   the forceful expulsion of something from inside

   coughing up

   the act of expelling (food or phlegm) by coughing

   expectoration, spit, spitting

   the act of spitting (forcefully expelling saliva)

   disgorgement, emesis, regurgitation, vomit, vomiting

   the reflex act of ejecting the contents of the stomach through the mouth

   rumination

   regurgitation of small amounts of food; seen in some infants after feeding

   haematemesis, hematemesis

   vomiting blood

   hyperemesis

   severe and excessive vomiting

   type of:

   actuation, propulsion

   the act of propelling
2. noun

   the act of forcing out someone or something
   “the ejection of troublemakers by the police”

   synonyms: exclusion, expulsion, riddance

   types:

   defenestration

   the act of throwing someone or something out of a window

   deportation

   the expulsion of a non-citizen from a country

   ostracism

   the act of excluding someone from society by general consent

   barring, blackball

   the act of excluding someone by a negative vote or veto

   ouster, ousting

   the act of ejecting someone or forcing them out

   deposition, dethronement

   the act of deposing someone; removing a powerful person from a position or office

   type of:

   banishment, proscription

   rejection by means of an act of banishing or proscribing someone