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injection

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noun in·jec·tion \in-ˈjek-shən\

Simple Definition of injection

  • : the act or process of forcing a liquid medicine or drug into someone or something by using a special needle

  • : the act or process of forcing a liquid into something

  • : the addition of something (such as money) that is needed to support something

Source: Merriam-Webster's Learner's Dictionary

Full Definition of injection

  1. 1 a :  an act or instance of injecting b :  the placing of an artificial satellite or a spacecraft into an orbit or on a trajectory; also :  the time or place at which injection occurs

  2. 2 :  something (as a medication) that is injected

  3. 3 :  a mathematical function that is a one-to-one mapping — compare bijection, surjection

Examples of injection in a sentence

  1. The medicine cannot be taken orally; it must be given by injection.

  2. an injection of a painkiller

  3. The struggling company needed an injection of cash.



15th Century

First Known Use of injection

15th century


INJECTION Defined for Kids

injection

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noun in·jec·tion \in-ˈjek-shən\

Definition of injection for Students

  1. :  an act or instance of forcing a fluid (as a medicine) into a part of the body by using a special needle <Insulin can be given by injection.>




Medical Dictionary

injection

play
noun in·jec·tion \in-ˈjek-shən\

Medical Definition of injection

  1. 1a:  the act or an instance of injecting a drug or other substance into the bodyb:  a solution (as of a drug) intended for injection (as by catheter or hypodermic syringe) either under or through the skin or into the tissues, a vein, or a body cavityc:  an act or process of injecting vessels or tissues; also :  a specimen prepared by injection

  2. 2:  the state of being injected :  congestion—see circumcorneal injection





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