Definitions

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

  • transitive v. To force or drive (a fluid) into something: inject fuel into an engine cylinder; inject air into a liquid mixture.
  • transitive v. Medicine To introduce (a drug or vaccine, for example) into a body part, especially by means of a syringe.
  • transitive v. To treat by means of injection: injected the patient with digitalis.
  • transitive v. To introduce into conversation or consideration: tried to inject a note of humor into the negotiations.
  • transitive v. To place into an orbit, trajectory, or stream.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To push or pump (something, especially fluids) into a cavity or passage.
  • v. To introduce (something) suddenly or violently.
  • v. To administer an injection to (someone), especially of medicine or drugs.
  • v. To take or be administered something by means of injection, especially medicine or drugs.
  • v. To introduce (code) into an existing program or its memory space, often without tight integration and sometimes through a security vulnerability.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To throw in; to dart in; to force in
  • transitive v. Fig.: To throw; to offer; to propose; to instill.
  • transitive v. To cast or throw; -- with on.
  • transitive v. To fill (a vessel, cavity, or tissue) with a fluid or other substance.
  • transitive v. to add in; to insert; to interject; ; to inject humor into a tense situation.

from The Century Dictionary and Cyclopedia

  • To throw in; cause to pass in by impulsion or driving force, as a fluid into a passage or cavity: as, to inject medicine by means of a syringe; to inject cold water into a steam-condenser.
  • To treat by injection; charge with an impelled fluid.
  • Figuratively, to introduce arbitrarily or inappropriately; insert out of place or unseasonably; lug in: as, to inject a polemical argument into a prayer.
  • To cast or throw in general.

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

  • v. force or drive (a fluid or gas) into by piercing
  • v. to insert between other elements
  • v. to introduce (a new aspect or element)
  • v. feed intravenously
  • v. take by injection
  • v. give an injection to

Etymologies

Latin inicere, iniect-, to throw in : in-, in; + iacere, to throw.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From the participle stem of Latin iniciō ("I throw in"), from in- + iaceō ("I throw"). (Wiktionary)

Examples

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