Definition & Meaning of "injection"in English

Injection

NOUN

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

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.

Examples

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

He winced slightly as the doctor gave him an injection to numb the area before stitching the wound.

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

Examples

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

The damp‑proofing team used an injection process to push sealant into the masonry walls.

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

Examples

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

Successful orbit injection placed the satellite into its designated low Earth orbit.

the physical substance administered by introduction into a body or system

Examples

The clinic prepared a sterile antibiotic injection for the patient.

The vet recommended a single injection to protect the animal against the disease.

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