what does injection mean
The noun INJECTION has 3 senses: 1. the forceful insertion of a substance under pressure. 2. any solution that is injected (as into the skin). 3. the act of putting a liquid into the body by means of a syringe.Familiarity information: INJECTION used as a noun is uncommon.. any solution that is injected (as into the skin). 3. the act of putting a liquid into the body by means of a syringe. Familiarity information: INJECTION used as a noun is uncommon.