1. heroin
He is a heroin addict.
The police searched the house and seized 2 kilograms of heroin.
2. the act of using a needle to put a drug into a person's body
3. some drugs are best given to patients by injection
4. inject
inject sb against sth
The condensed steam and remaining geothermal fluid from plants are injected back into the hot rock to pick up more heat.
The country's central bank said it would inject 50bn yuan (£5.2bn; $8.05bn) into the money markets.
The killer had to inject him somehow.
The polypropelene is injected from the cylinder to the moulds under high pressure.
We have no other alternative but to swap horses midstream and inject a fresh atmosphere and new ideas into our organization.
English word "injection"(inject) occurs in sets:
word formation