injection
in
ˌɪn
in
jec
ˈʤɛk
jek
tion
ʃən
shēn
British pronunciation
/ɪnd‍ʒˈɛkʃən/

Definition & Meaning of "injection"in English

Injection
01

the action of putting a drug into a person's body using a syringe

Wiki
injection definition and meaning

What is an "injection"?

An injection is a method of delivering medication or fluids into the body using a needle and syringe. It can be given into different areas, such as a muscle, vein, or under the skin, depending on the type of medication and its intended effect. Injections are used for vaccines, pain relief, hormones, and other treatments that need to be given directly into the bloodstream or tissues.

example
Examples
The nurse administered the flu vaccine with a quick injection into the patient's arm.
02

the act of forcing a fluid or other material under pressure into a structure or system for sealing, filling, or treating surfaces

example
Examples
Workers performed a grout injection to fill the voids beneath the foundation.
03

the deliberate insertion or transfer of a spacecraft or object into a specified orbit or trajectory, typically achieved by firing engines or performing a maneuver

example
Examples
The mission team planned the trans‑lunar injection burn for two hours after launch.
04

the physical substance administered by introduction into a body or system

example
Examples
The clinic prepared a sterile antibiotic injection for the patient.
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