e·jec·tion

[ih-jek-shuhn]
noun
1.
an act or instance of ejecting.
2.
the state of being ejected.
3.
something ejected, as lava.

Origin:
1560–70; < Latin ējectiōn- (stem of ējectiō) a throwing out, equivalent to eject- (see eject) + -iōn- -ion

non·e·jec·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
eject (ɪˈdʒɛkt) [Click for IPA pronunciation guide]
 
vb
1.  (tr) to drive or force out; expel or emit
2.  (tr) to compel (a person) to leave; evict; dispossess
3.  (tr) to dismiss, as from office
4.  (intr) to leave an aircraft rapidly, using an ejection seat or capsule
5.  (tr) psychiatry to attribute (one's own motivations and characteristics) to others
 
[C15: from Latin ejicere, from jacere to throw]
 
e'jection
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Ejection is always a great word to know.
So is lollapalooza. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
Etymonline
Word Origin & History

ejection
1610s, from L. ejectionem, noun of action from ejicere (see eject). The jet pilot's ejection seat (also ejector seat) is from 1945.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

ejection e·jec·tion (ĭ-jěk'shən)
n.

  1. The act of driving or casting out by physical force from within.

  2. See ejecta.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
Early on, a crew member speaks of never seeing anyone use the ejection
  equipment.
The ejection of both electrons and alpha particles keeps the electrical charge
  on the spaceship neutral, close to zero.
Some of these alterations are only the ejection of a word for one that appeared
  to him more elegant or more intelligible.
The outburst ejection could have come from the entire surface of the crater,
  while the normal ejection was mainly from its edges.
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