Meaning ofinjectin English

Verb

1. to add something new or different; alter
   The company will inject new funds into the project.
2. to push fluids into a cavity
   The nurse will inject the medication into the patient's vein.
3. to administer medicine via injection
   The doctor will inject the patient with a local anesthetic.
4. to introduce code into a program; compromise security
   A hacker tried to inject malicious code into the system.