|the ratio of the integral of a given function over a closed interval to the length of the interval|
|a minus sign; a quantity less than zero|
|1.||fluid injected into the body, esp for medicinal purposes|
|3.||the act of injecting|
|4.||a. the act or process of introducing fluid under pressure, such as fuel into the combustion chamber of an engine|
|b. (as modifier): injection moulding|
|5.||maths surjection See also bijection a function or mapping for which f(x) = f(y) only if x = y|
injection in·jec·tion (ĭn-jěk'shən)
The act of injecting a substance into a tissue, vessel, canal, or organ.
Something that is injected, especially a dose of liquid medicine injected into the body.
Congestion or hyperemia.
|injection (ĭn-jěk'shən) Pronunciation Key