What is an injection?

What is an injection? Here are some definitions.

Noun 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. (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. (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. (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. Find more words! 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What is the opposite of injection? Sentences with the word injection Words that rhyme with injection What is the plural of injection? What is the adverb for injection? What is the adjective for injection? What is the noun for injection? Translations for injection Nearby Definitions injecting injectibles injectible injectibility injecters injecter injectional injection molding injection moldings injections injectisome injectisomes 9-letter Words Starting With i in inj inje injec inject injecti injectio