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injection

[in-jek-shuh n] /ɪnˈdʒɛk ʃən/
noun
1.
the act of injecting.
2.
something that is injected.
3.
a liquid injected into the body, especially for medicinal purposes, as a hypodermic or an enema.
4.
state of being hyperemic or bloodshot.
5.
Mathematics. a one-to-one function.
6.
Also called insertion. Aerospace. the process of putting a spacecraft into orbit or some other desired trajectory.
Origin
1535-1545
1535-45; < Latin injectiōn- (stem of injectiō). See inject, -ion
Related forms
postinjection, adjective
reinjection, noun
superinjection, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for reinjection

injection

/ɪnˈdʒɛkʃən/
noun
1.
fluid injected into the body, esp for medicinal purposes
2.
something injected
3.
the act of injecting
4.
  1. the act or process of introducing fluid under pressure, such as fuel into the combustion chamber of an engine
  2. (as modifier): injection moulding
5.
(maths) a function or mapping for which f(x) = f(y) only if x = y See also surjection, bijection
Derived Forms
injective, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for reinjection

injection

n.

"forcing a fluid into a body" (with a syringe, etc.), early 15c., from Middle French iniection (14c.) or directly from Latin iniectionem (nominative iniectio), noun of action from past participle stem of inicere (see inject).

Online Etymology Dictionary, © 2010 Douglas Harper
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reinjection in Medicine

injection in·jec·tion (ĭn-jěk'shən)
n.

  1. The act of injecting a substance into a tissue, vessel, canal, or organ.

  2. Something that is injected, especially a dose of liquid medicine injected into the body.

  3. Congestion or hyperemia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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reinjection in Science
injection
  (ĭn-jěk'shən)   
  1. A substance that is introduced into a organism, especially by means of a hypodermic syringe, as a liquid into the veins or muscles of the body.

  2. A function that maps each member of one set (the domain) to exactly one member of another set (the range). Compare bijection, surjection.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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