injection
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See also: înjection
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/02/Injection.svg/220px-Injection.svg.png)
Etymology
Borrowed from Middle French injection, from Latin iniectio. The mathematical sense is from French injection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique.
Pronunciation
- IPA(key): /ɪn.ˈd͡ʒɛk.ʃən/
Audio (Southern England): (file) - Hyphenation: in‧jec‧tion
- Rhymes: -ɛkʃən
Noun
injection (countable and uncountable, plural injections)
- 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.
- The troubled business received a much-needed cash injection.
- (mathematics) A relation on sets (X,Y) that associates each element of Y with at most one element of X.
- Synonym: injective function
- (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.
- a SQL injection exploit allowing a malicious user to modify a database query
- (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.
- 2015, Henry L. Richter, America's Leap Into Space:
- It had been determined that one of the whip turnstile antennas had broken off from Explorer 1 shortly after injection into orbit, so these were eliminated.
- (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.
- conjunctival injection
- (internal combustion engines) Fuel injection: the pressurized introduction of fuel into a cylinder.
- direct injection
- tuned port injection
- (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.
Hyponyms
(computer security) Insertion of program code into an application, URL, etc.
(construction)
Derived terms
- agroinjection
- autoinjection
- beef injection
- booster injection
- coinjection
- crossinjection
- electroinjection
- femtoinjection
- Heathrow injection
- hot-beef injection
- hot beef injection
- injectional
- injection lipolysis
- injection molding
- injection moulding
- injective
- injectively
- interinjection
- lethal injection
- lipoinjection
- meat injection
- microinjection
- nanoinjection
- postinjection
- preinjection
- reinjection
- superinjection
- supervised injection site
- trans-Earth injection
- transjection
- trans-lunar injection
- trans-Mars injection
- water for injection
(construction) Terms derived from injection
Related terms
Translations
act of injecting, or something injected
|
medicine: something injected
|
set theory: one-to-one mapping
|
computing: insertion of code
|
See also
- bijection (2)
- hypodermic
- immunization
- jab
- surjection (2)
References
French
Etymology
Borrowed from Latin iniectiōnem.
Pronunciation
Noun
injection f (plural injections)
Related terms
Descendants
- → Romanian: injecție
- → Turkish: enjeksiyon
Further reading
- “injection”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Categories:
- English terms borrowed from Middle French
- English terms derived from Middle French
- English terms derived from Latin
- English terms derived from French
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/ɛkʃən
- Rhymes:English/ɛkʃən/3 syllables
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- en:Category theory
- en:Construction
- English terms with usage examples
- en:Mathematics
- en:Functions
- en:Computer security
- en:Space
- English terms with quotations
- en:Set theory
- en:Medicine
- French terms borrowed from Latin
- French terms derived from Latin
- French 3-syllable words
- French terms with IPA pronunciation
- French terms with audio links
- French lemmas
- French nouns
- French countable nouns
- French feminine nouns