Injection

In`jec´tion

The act of injecting or throwing in; - applied particularly to the forcible insertion of a liquid or gas, by means of a syringe, pump, etc.

That which is injected; especially, a liquid inserted thrown into a cavity of the body by a syringe or pipe; a clyster; an enema.

(Anat.) The act or process of filling vessels, cavities, or tissues with a fluid or other substance.

(Steam Eng.) The act of throwing cold water into a condenser to produce a vacuum.

Injection cock
(Steam Eng.) the cock or valve through which cold water is admitted into a condenser.

Injection condenser
See under Condenser.

Injection pipe
the pipe through which cold water is through into the condenser of a steam engine.

fuel injection
a method of inserting fuel into internal-combustion engines by directly forcing the liquid fuel into the combustion chamber at an appropriate point in the piston cycle; in contrast to carburetion, in which an air-fuel mixture is drawn in by the downward stroke of the piston.

Noun	1.	injection - the forceful insertion of a substance under pressure
	2.	injection - any solution that is injected (as into the skin) Synonyms: injectant
	3.	injection - the act of putting a liquid into the body by means of a syringe; "the nurse gave him a flu shot" Synonyms: shot

Pronunciation: (in-JEK-shun)

inserting liquid medication or nutrients into the body with a syringe. A person with diabetes may use short needles or pinch the skin and inject at an angle to avoid an intramuscular injection of insulin.

1.	(mathematics)	injection - A function, f : A -> B, is injective or one-one, or is an injection, if and only if for all a,b in A, f(a) = f(b) => a = b. I.e. no two different inputs give the same output (contrast many-to-one). This is sometimes called an embedding. Only injective functions have left inverses f' where f'(f(x)) = x, since if f were not an injection, there would be elements of B for which the value of f' was not unique. If an injective function is also a surjection then is it a bijection.
2.	(reduction)	injection - An injection function is one which takes objects of type T and returns objects of type C(T) where C is some type constructor. An example is f x = (x, 0). The opposite of an injection function is a projection function which extracts a component of a constructed object, e.g. fst (x,y) = x. We say that f injects its argument into the data type and fst projects it out.

To dream that you are being injected for health reasons, suggests your need for healing behaviour/ideas/attitudes. You need to develop yourself on a mental and spiritual level. To dream that someone is forcibly injecting you, represents your negative attitudes about a particular situation/person. It also indicates the influence of peer pressure working against you. You are recognizing that someone is forcing their negative and unwelcome views/values on you. *Please see also Syringe.Earth insertion, LEM, LM, antitoxin, apogee, aside, attitude-control rocket, bag, ballistic capsule, bang, booster, booster dose, booster shot, brewing, burn, capsule, deck, deep-space ship, docking, docking maneuver, dose, draft, drench, drenching, dropping, drug packet, ducking, dunking, embedment, encroachment, entrance, entrenchment, episode, ferry rocket, fix, fuel ship, graft, grafting, hit, hypodermic, hypodermic injection, imbruement, imbuement, impaction, impactment, impingement, implantation, imposition, impregnation, incursion, infiltration, infix, infixion, influx, infringement, infusion, inoculation, inroad, insert, insertion, insinuation, intercalation, interference, interjection, interlineation, interlocution, interloping, interpolation, interposition, interposure, interruption, intervention, introduction, intromission, intrusion, invasion, irruption, jet injection, leaching, lixiviation, lunar excursion module, lunar module, maceration, mainlining, manned rocket, module, moon ship, multistage rocket, narcotic injection, narcotic shot, obiter dictum, obtrusion, orbit, overdose, parenthesis, parking orbit, penetration, percolation, perfusion, perigee, permeation, popping, portion, potion, pulping, reentry, remark, rocket, saturation, seething, shooting up, shot, shuttle rocket, side remark, skin-popping, soak, soakage, soaking, soft landing, sopping, souse, sousing, space capsule, space docking, space rocket, spacecraft, spaceship, steeping, tessellation, tossing-in, transplant, transplantation, trespass, trespassing, unlawful entry, vaccination, vaccine

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