in
jec
tion
Plural
injections
1
the action of putting a drug into a person's body using a syringe
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.
- 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.
- Insulin injections are necessary for people with diabetes to manage their blood sugar levels.
- The veterinarian gave the dog an injection to treat the infection in its paw.
- The athlete received a pain-relieving injection before the game to manage a recurring injury.
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2
the act of forcing a fluid or other material under pressure into a structure or system for sealing, filling, or treating surfaces
- 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.
- Concrete repair required multiple injections of epoxy to restore structural integrity.
- During the test they recorded the pressure and flow rate during each injection cycle.
- To stop the leak they scheduled a polyurethane injection around the pipe joint.
3
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
- 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.
- Engineers calculated the injection window precisely to minimize fuel consumption.
- A small timing error during the injection resulted in a slightly higher apogee than intended.
- The spacecraft executed a corrective maneuver after initial injection to refine its trajectory.
4
the physical substance administered by introduction into a body or system
- The clinic prepared a sterile antibiotic injection for the patient.
- The vet recommended a single injection to protect the animal against the disease.
- Nurses labeled each injection with the drug name and dosage before use.
- The coach warned that an illicit injection could lead to suspension under anti‑doping rules.
- The emergency kit included an epinephrine injection for severe allergic reactions.
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