Injection vs Undefined - What's the difference?
injection | undefined |
The act of injecting, or something that is injected.
(specifically, medicine) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
(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.
(mathematics) A relation on sets (X,Y)'' that associates each element of ''Y'' with at most one element of ''X .
(figuratively) The addition of money to someone, or to a business.
(programming) 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 specimen prepared by 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.
(category theory) A morphism from either one of the two components of a coproduct to that coproduct.
(Contruction) The act of inserting materials like concrete grout or gravel by using high pressure pumps.
Lacking a definition or value.
(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
As a noun injection
is injection.As an adjective undefined is
lacking a definition or value.injection
English
(wikipedia injection)Noun
(en noun)- The troubled business received a much-needed cash injection .
- a SQL injection exploit allowing a malicious user to modify a database query
Derived terms
* injection cock * injection condenser * injection pipe * injective * injectively *gravel injection *grout injection * constructor injection * dependency injectionSee also
* bijection (2) * hypodermic * immunization * jab * surjection (2) ----undefined
English
Adjective
(wikipedia undefined) (-)- The result of division by zero is undefined .