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- DictionaryIn·jec·tion/inˈjekSH(ə)n/
noun
- 1. an instance of injecting or being injected: "painkilling injections"
- 2. the entry or placing of a spacecraft or other object into an orbit or trajectory.
noun
An injection is the act of administering a liquid, especially a drug, into a person's body using a needle and a syringe. An injection is considered a form of parenteral drug administration; it does not involve absorption in the digestive tract. This allows the medication to be absorbed more rapidly and avoid the first pass effect. There are many types of injection, which are generally named after ... Wikipedia