injection: Meaning and Definition of

in•jec•tion

Pronunciation: (in-jek'shun), [key]
— n.
  1. the act of injecting.
  2. something that is injected.
  3. a liquid injected into the body, esp. for medicinal purposes, as a hypodermic or an enema.
  4. state of being hyperemic or bloodshot.
  5. a one-to-one function.
  6. Also calledthe process of putting a spacecraft into orbit or some other desired trajectory.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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