Injection meaning

ĭn-jĕkshən
Frequency:
The act of injecting.
noun
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Something that is injected, especially a dose of liquid medicine injected into the body.
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(mathematics) A function that is one-to-one.
noun
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The definition of an injection is the act of pumping something in, or something that has been pumped in.

An example of an injection is a flu shot.

noun
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An act or instance of injecting.
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Something injected.
  • A liquid injected into the body.
  • A fuel under pressure forced into a combustion chamber.
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The act of injecting.
noun
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Something that is injected, especially a dose of liquid medicine injected into the body.
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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.
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A function that maps each member of one set (the domain) to exactly one member of another set (the range).
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The act of injecting, or something that is injected.
noun
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(specifically, medicine) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
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(set theory) A function that maps distinct x in the domain to distinct y in the codomain; formally, a f: XY such that f(a) = f(b) implies a = b for any a, b in the domain.
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(mathematics) A relation on sets (X,Y) that associates each element of Y with at most one element of X.
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(figuratively) The addition of money to someone, or to a business.

The troubled business received a much-needed cash injection.

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(programming) The insertion of program code into an application, URL, hardware, etc.

A SQL injection exploit allowing a malicious user to modify a database query.

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A specimen prepared by injection.
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(steam engines) The act of throwing cold water into a condenser to produce a vacuum.
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(steam engines) The cold water thrown into a condenser to produce a vacuum.
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(category theory) A morphism from either one of the two components of a coproduct to that coproduct.
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Origin of injection

  • Sense 3, in– (pro)jection

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle French injection, from Latin iniectio

    From Wiktionary