Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act of injecting.
  • n. Something that is injected, especially a dose of liquid medicine injected into the body.
  • n. Mathematics A function that is one-to-one.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of injecting, or something that is injected.
  • n. Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
  • n. A function that maps distinct x in the domain to distinct y in the codomain; formally, a f: X → Y such that f(a) = f(b) implies a = b for any a, b in the domain.
  • n. A relation on sets (X,Y) that associates each element of Y with at most one element of X.
  • n. The addition of money to someone, or to a business.
  • n. The insertion of program code into an application, URL, hardware, etc.
  • n. A specimen prepared by injection.
  • n. The act of throwing cold water into a condenser to produce a vacuum.
  • n. The cold water thrown into a condenser to produce a vacuum.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of injecting or throwing in; -- applied particularly to the forcible insertion of a liquid or gas, by means of a syringe, pump, etc.
  • n. That which is injected; especially, a liquid inserted thrown into a cavity of the body by a syringe or pipe; a clyster; an enema.
  • n.
  • n. The act or process of filling vessels, cavities, or tissues with a fluid or other substance.
  • n. A specimen prepared by injection.
  • n.
  • n. The act of throwing cold water into a condenser to produce a vacuum.
  • n. The cold water thrown into a condenser.

from The Century Dictionary and Cyclopedia

  • n. The act of injecting or throwing in; the act of forcing in, as a fluid into a passage, cavity, or substance of loose texture: as, the injection of a drug by means of a syringe; the injection of cold water into a steam-condenser to produce a vacuum.
  • n. In anatomy, the act of injecting a body for dissection; the process of filling the vessels or other cavities of a body, or some part of a body, with a preservative, coloring, or other fluid.
  • n. Specifically, in medicine, the giving of an enema; also, the enema given.
  • n. That which is injected, as a fluid; specifically, any substance or preparation forced into an animal body to preserve it, display it, or otherwise fit it for dissection or other examination.
  • n. The state of being hyperemic or bloodshot: as, the injection of the conjunctiva of an inflamed eye.
  • n. Figuratively, a throwing in, as of a remark, hint, or suggestion; an injected saying or influence.
  • n. In geology, the penetration of a rock by a molten magma.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the act of putting a liquid into the body by means of a syringe
  • n. any solution that is injected (as into the skin)
  • n. the forceful insertion of a substance under pressure

Etymologies

Sense 3, in-2 + (pro)jection.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin injectio. (Wiktionary)

Examples

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