injection

noun

1. 1

   The act of injecting, or something that is injected.

2. 2

   A specimen prepared by injection.

3. 3

   A morphism from either one of the two components of a coproduct to that coproduct.

4. 4

   The act of inserting materials like concrete grout or gravel by using high pressure pumps.

5. 5

   The supply of additional funding to a person or a business.

   “The troubled business received a much-needed cash injection.”

6. 6

   A relation on sets (X,Y) that associates each element of Y with at most one element of X.

7. 7

   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”

8. 8

   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.

9. 9

   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.

10. 10

    (specifically) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.

11. 11

    (steam engines) The act of throwing cold water into a condenser to produce a vacuum.

12. 12

    (steam engines) The cold water thrown into a condenser to produce a vacuum.