injection

Meaning

1. (countable, uncountable) The act of injecting, or something that is injected.
2. (countable, uncountable) A specimen prepared by injection.
3. (countable, uncountable) A morphism from either one of the two components of a coproduct to that coproduct.
4. (countable, uncountable) The act of inserting materials like concrete grout or gravel by using high pressure pumps.
5. (countable, figuratively, uncountable) The supply of additional funding to a person or a business.
6. (countable, uncountable) A relation on sets (X,Y) that associates each element of Y with at most one element of X.
7. (countable, uncountable) The insertion of program code into an application, URL, hardware, etc.; especially when malicious or when the target is not designed for such insertion.
8. (countable, uncountable) 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. (countable, uncountable) 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. (countable, uncountable) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
11. (countable, uncountable) Congestion (of a body part, with blood or other fluid), such as hyperemia.
12. (countable, uncountable) Fuel injection: the pressurized introduction of fuel into a cylinder.
13. (countable, uncountable) The act of throwing cold water into a condenser to produce a vacuum.
14. (countable, uncountable) The cold water thrown into a condenser to produce a vacuum.

Synonyms

shot

needle

infusion

syringe

💉

jab

vaccination

injectio

inoculation

injectant

grouting

sting

one-to-one

intravenous injection

jetting

pouring

shooting

spear

spray

spraying

give an injection

monomorphism

intramuscular injection

injecta

larrying

medical injection

intramuscular administration

intravenous administration

iv administration

subcutaneous administration

subcutaneous injection

grout injection

grout filling

dose

incoming trajectory

effusion

emitting

enema

entrance

hypodermic

incidence

inject

injecting

intramuscular

introduction

jet

jet propulsion

Translations

injection

inyección

Injektion

injectie

piqûre

inspuiting

Spritze

💉

spuitje

Spritzen

Pronounced as (IPA)

/ɪn.ˈd͡ʒɛk.ʃən/

Etymology

Borrowed from Middle French injection, from Latin iniectio. The mathematical sense is from French injection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique.