injection

IPA: ɪndʒˈɛkʃʌn

The act of injecting, or something that is injected.
A specimen prepared by injection.
(category theory) A morphism from either one of the two components of a coproduct to that coproduct.
(construction) The act of inserting materials like concrete grout or gravel by using high pressure pumps.
(figuratively) The supply of additional funding to a person or a business.
(mathematics) A relation on sets (X,Y) that associates each element of Y with at most one element of X.
(computer security) The insertion of program code into an application, URL, hardware, etc.; especially when malicious or when the target is not designed for such insertion.
(space science) The act of putting a spacecraft into a particular orbit, especially for changing a stable orbit into a transfer orbit, e.g. trans-lunar injection.
(set theory) A function that maps distinct x in the domain to distinct y in the codomain; formally, a f: X → Y such that f(a) = f(b) implies a = b for any a, b in the domain.
(medicine) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
(medicine) Congestion (of a body part, with blood or other fluid), such as hyperemia.
(internal combustion engines) Fuel injection: the pressurized introduction of fuel into a cylinder.
(steam engines) The act of throwing cold water into a condenser to produce a vacuum.
(steam engines) The cold water thrown into a condenser to produce a vacuum.

Examples of "injection" in Sentences

Treatment of arthritic joints by intra-articular corticosteroid injection is available.
"And SQL injection is the fastest-growing category of attacks affecting Web applications."
Imaging will begin anywhere from 30 minutes up to four hours after the injection is given.
The program, extended last week with a $2 billion cash injection, is bound to thin the herd.
This execution by lethal injection is unbearable because it is absurd and absurd because it is unbearable.
After the injection is complete, your child will lay on the exam table for the imaging portion of the test.
The dermal filler injection is injected in the ball of the foot to ease the pain caused by wearing high heels.
The airline received a 3 billion yuan ($440 million) capital injection from the government in November to help it ride out the crisis.
When necessary, surgical interventions, such as selective dorsal rhizotomy performed by neurosurgeons and Botulinum toxin injection/motor point block by the physiatrists, can be used to treat problems that result from cerebral palsy.
Locog, sponsors and coalition politicians, desperate for the Games to succeed both on their own terms and as a mid-term injection of flag waving optimism against a gloomy economic backdrop, must walk an increasingly fine line between encouraging them to get on board and hectoring them to do so.