Injection has multiple meanings:

• In mathematics, the term injection refers to an injective function.
• Medical injection.
• Injection molding industrial process.
• Injection is a term used to describe the method of placing a satellite into a particular trajectory or orbit.
• Fuel injection in internal combustion engines.
• Injected is the name of an American rock band.
• In economics, the term injection refers to a financial boost entered into the economic cycle. The three types of economic injections are government spending, investment and exports.

Injektion | Inyección | Injection | Iniezione | Инъекция (значения) | injekcija