Injection

The act of injecting or throwing in; -- applied particularly to the forcible throwing in of a liquid, or aeriform body, by means of a syringe, pump, etc.

That which is injected; especially, a liquid medicine thrown into a cavity of the body by a syringe or pipe; a clyster; an enema.

The act or process of filling vessels, cavities, or tissues with a fluid or other substance.

A specimen prepared by injection.

The act of throwing cold water into a condenser to produce a vacuum.

The cold water thrown into a condenser.

the act of putting a liquid into the body by means of a syringe; "the nurse gave him a flu shot"

any solution that is injected (as into the skin)