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ejection

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

1560–70; < Latin ējectiōn- (stem of ējectiō) a throwing out, equivalent to eject- (see eject) + -iōn- -ion
Related formsnon·e·jec·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Word Origin and History for ejection

n.

1560s, from Middle French ejection and directly from Latin ejectionem, noun of action from past participle stem of ejicere (see eject). The jet pilot's ejection seat (also ejector seat) is from 1945.

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Online Etymology Dictionary, © 2010 Douglas Harper

ejection in Medicine

ejection

(ĭ-jĕkshən)
n.
  1. The act of driving or casting out by physical force from within.
  2. ejecta