The DICT Development Group
4 definitions found
From The Collaborative International Dictionary of English v.0.48 :
Injection \In*jec"tion\, n. [L. injectio : cf. F. injection.]
1. 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.
2. That which is injected; especially, a liquid inserted
thrown into a cavity of the body by a syringe or pipe; a
clyster; an enema. --Mayne.
(a) The act or process of filling vessels, cavities, or
tissues with a fluid or other substance.
(b) A specimen prepared by injection.
4. (Steam Eng.)
(a) The act of throwing cold water into a condenser to
produce a vacuum.
(b) The cold water thrown into a condenser.
Injection cock, or Injection valve (Steam Eng.), the cock
or valve through which cold water is admitted into a
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.
[1913 Webster +PJC]
From WordNet (r) 3.0 (2006) :
n 1: the forceful insertion of a substance under pressure
2: any solution that is injected (as into the skin) [syn:
3: the act of putting a liquid into the body by means of a
syringe; "the nurse gave him a flu shot" [syn: injection,
From Moby Thesaurus II by Grady Ward, 1.0 :
137 Moby Thesaurus words for "injection":
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
From The Free On-line Dictionary of Computing (30 December 2018) :
1. 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. 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,
fst (x,y) = x.
We say that f injects its argument into the data type and fst
projects it out.
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