Injection
Injection , noun
[Latin injectio: compare French injection.]
1.
The act of injecting or throwing in; -- applied particularly to the forcible insertion of a liquid or gas, by means of a syringe, pump, etc.
2.
That which is injected; especially, a liquid inserted thrown into a cavity of the body by a syringe or pipe; a clyster; an enema. — Mayne
3.
(a) (Anatomy) The act or process of filling vessels, cavities, or tissues with a fluid or other substance.
(b)
(Anatomy) A specimen prepared by injection.
4.
(a) (Steam Eng.) The act of throwing cold water into a condenser to produce a vacuum.
(b)
(Steam Eng.) The cold water thrown into a condenser.
Collocations (4)
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.
fuel injection , a method of inserting fuel into internal-combustion engines by directly forcing the liquid fuel into the combustion chamber at an appropriate point in the piston cycle; in contrast to carburetion, in which an air-fuel mixture is drawn in by the downward stroke of the piston.