injection

/ɪnˈdʒɛkʃən/
noun
  1. The act of putting a liquid, especially a drug, into a person's body using a needle and syringe.
    • She felt a small pinch during the injection.
    • The doctor gave me an injection to prevent the flu.
    • Many people receive an injection for allergies every month.
  2. The act of introducing something new into a system, situation, or process.
    • The company needed an injection of cash to stay open.
    • The government announced an injection of funds into public schools.
    • Her fresh ideas were a welcome injection of energy into the team.
  3. The process of forcing a liquid or gas into something under pressure, such as into an engine or mold.
    • Fuel injection helps cars run more efficiently.
    • The factory uses injection molding to make plastic toys.
    • Water injection into the engine cooled it down.
What does "injection" mean? | whatsthatwordmean | whatsthatwordmean