Injection
# Injection

Injection or injected may refer to:

## Science and technology

* Injective function, a mathematical function mapping distinct arguments to distinct values
* Injection (medicine), insertion of liquid into the body with a syringe
* Injection, in broadcasting, the level at which a subcarrier is sent by the transmitter, expressed as a percent of total modulation
* Injection quill, used in the petrochemical industry to insert chemicals, typically inhibitors, for proper mixture within a base chemical
* Fuel injection, a means of metering fuel into an internal combustion engine
* Orbit injection, changing a stable orbit into a transfer orbit
* Injection, in construction, insertion of consolidation materials (i.e., cement grout mixtures, gravel) by means of dry type rotary shortcrete high pressure pumps
* Injection well
* Injection moulding, a technique for making parts from plastic material

### Computing

* Code injection, a security violation technique using unexpected program modification
* Dependency injection, a programming design pattern, also referred to as inversion of control
* Email injection, a security violation technique using web email forms
* Fault injection, a software testing technique
* Network injection, an attack on access points that are exposed to non-filtered network traffic
* SQL injection, a security violation technique using database commands

## Arts, entertainment and media

* Injected (album), a 1995 album by Phunk Junkeez
* Injected (band), a rock band from Atlanta, Georgia
* Injection (comics), an Image Comics science fiction series by Warren Ellis and Declan Shalvey
* "Injection", song by Rise Against from The Sufferer & the Witness, 2006

## Other uses

* Injection (economics), a financial boost to an economy
* Drug injection of recreational drugs
