INJECTION

Definitions

1. 1. The act of injecting or throwing in; -- applied particularly to the forcible throwing in of a liquid, or aëriform body, by means of a syringe, pump, etc.
2. 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. 3. The act or process of filling vessels, cavities, or tissues with a fluid or other substance.
4. 4. A specimen prepared by injection.
5. 5. The act of throwing cold water into a condenser to produce a vacuum.
6. 6. 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.