injection

UK/ɪnˈd͡ʒɛk.ʃən/US/ɪnˈd͡ʒɛk.ʃən/

nounC1Common in everyday speech and writing · #4,073 of 15,258neutral

Other forms: injections

An injection is a dose of medicine pushed into the body with a needle. Have an injection, an injection of cash, injection site.

The figurative use is standard in business, where an injection of cash means new money put in quickly. In engines, fuel injection replaced the carburettor and does the same job far more precisely.

Definitions of injection

1nouninjectionA dose of medicine pushed into the body with a needle.C1
“The nurse gave me an injection in my arm, and it didn't hurt at all.”

injection is a dose.

Where it comes from

Latin iniectio comes from inicere, to throw in, from in plus iacere, to throw.

French
injection
Latin
iniectio
Middle French
injection
English, today
injection

Middle French injection, from Latin iniectio. The mathematical sense is from French injection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique. Equivalent to inject + ion.

Etymology from Wiktionary, CC BY-SA

Practise this word

injection in the wild

There exist two types of manifold injection systems: multi-point (or "port") and single-point (or "throttle body") injection.
Fuel injection
Although Taiwan permits lethal injection as an execution method, no executions have been carried out in this manner; the same is true for Nigeria.
Lethal injection
Although primarily introduced as a more "humane" method of execution, lethal injection has been subject to criticism, being described by some as cruel and unusual.
Lethal injection
Supervised injection sites (SIS) or drug consumption rooms (DCRs) are a health and social response to drug-related problems.
Supervised injection site
There have been no recorded deaths at any legal supervised injection site.
Supervised injection site

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

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