Definition

1. Noun:
   • The act of administering a liquid into the body using a syringe: The process of introducing a substance, typically a medication or vaccine, into the body via a needle.
   • A substance that is administered in this way: The specific liquid solution, such as a drug or vaccine, that is prepared for and delivered by injection.
   • The forceful introduction of a substance under pressure: A broader technical meaning referring to the act of forcing a fluid into something, such as fuel into an engine cylinder.

Examples

• Noun:
  • The doctor recommended an injection to treat the infection.
  • The vaccine is administered by a single injection.
  • The mechanic checked the fuel injection system.

Advanced Usage

• "To give/receive an injection": The common collocations for the act of administering or getting a shot.
  • The nurse will give you the injection in your arm.
• "Injection site": The specific area on the body where a needle is inserted.
  • Mild redness at the injection site is a common side effect.

Variants and Related Words

• Inject (verb): To force or introduce a fluid into something.
  • The doctor will inject the vaccine.
• Injectable (adjective/noun): Capable of being injected; a drug designed for injection.
  • This medication is available in an injectable form.

Synonyms

• Shot: (Informal) An injection.
• Vaccination: An injection specifically to immunize against a disease.
• Inoculation: The process of introducing an antigenic substance (like a vaccine) via injection to stimulate immunity.

Related Phrases

• Intravenous (IV) injection: An injection directly into a vein.
• Intramuscular (IM) injection: An injection into a muscle.
• Subcutaneous injection: An injection into the tissue layer between the skin and the muscle.

Related Idioms

• "A shot in the arm": Literally, an injection in the arm. Figuratively, something that provides a sudden boost or encouragement.
  • The new investment was a real shot in the arm for the local economy.

Noun

1. the act of putting a liquid into the body by means of a syringe
   • the nurse gave him a flu shot
2. any solution that is injected (as into the skin)
3. the forceful insertion of a substance under pressure