Noun injection has 3 senses
  1. injection - the forceful insertion of a substance under pressure
    --1 is a kind of
    insertion, introduction, intromission
    --1 has particulars: epidural injection
    Derived form: verb inject3
  2. injection, injectant - any solution that is injected (as into the skin)
    --2 is a kind of solution
  3. injection, shot - the act of putting a liquid into the body by means of a syringe; "the nurse gave him a flu shot"
    --3 is a kind of medical care, medical aid
    --3 has particulars:
     intradermal injection; intramuscular injection; intravenous injection; subcutaneous injection
    Derived form: verb inject1
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