Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun injection

3 senses of injection

Sense 1
injection -- (the forceful insertion of a substance under pressure)
       => insertion, introduction, intromission -- (the act of putting one thing into another)

Sense 2
injection, injectant -- (any solution that is injected (as into the skin))
       => solution -- (a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water")

Sense 3
injection, shot -- (the act of putting a liquid into the body by means of a syringe; "the nurse gave him a flu shot")
       => medical care, medical aid -- (professional treatment for illness or injury)