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 See also Injunction Interjection