Crossword Dictionary

What's The Definition Of Injection?

\In*jec"tion\, n. [L. injectio : cf.F. injection.] 1. The act of injecting or throwing in; -- applied particularly to the forcible throwing in of a liquid, or a["e]riform body, by means of a syringe, pump, etc. 2. That which is injected; especially, a liquid medicine thrown into a cavity of the body by a syringe or pipe; a clyster; an enema. --Mayne. 3. (Anat.) (a) The act or process of filling vessels, cavities, or tissues with a fluid or other substance. (b) A specimen prepared by injection. 4. (Steam Eng.) (a) The act of throwing cold water into a condenser to produce a vacuum. (b) The cold water thrown into a condenser. {Injection cock}, or {Injection valve} (Steam Eng.), the cock or valve through which cold water is admitted into a condenser. {Injection condenser}. See under {Condenser}. {Injection pipe}, the pipe through which cold water is through into the condenser of a steam engine.
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