in·jec·tion 
(ĭn-jĕkshən)
(ĭn-jĕkshən)n.
1. The act of injecting.
2. Something that is injected, especially a dose of liquid medicine injected into the body.
3. Mathematics A function that is one-to-one.
[Sense 3, IN-2 + (PRO)JECTION.]
- thiosulfuric acid
- thiotepa
- thiothixene
- thiouracil
- thiourea
- third
- third base
- third baseman
- third class
- third-class
- third degree
- third-degree burn
- third dimension
- third-dimensional
- third estate
- third eye
- third eyelid
- third force
- thirdhand
- third home
- third house
- thirdly
- third man
- third market
- Third Order