1. the act of forcing a liquid, especially a drug or vaccine, into the body using a needle and syringe
Usage: medical
2. a liquid that is injected into the body
Usage: medical
3. the act of forcing a liquid into something under pressure
Usage: technical

Examples

• The nurse gave me a flu injection.
• The doctor prepared the injection carefully.
• The fuel injection system improves engine performance.
• The company needed a cash injection to survive.
• She was afraid of needles and dreaded getting injections.
• The injection of new ideas revitalized the project.
• The vaccine injection was quick and painless.