Main-line | definition of Main-line by Medical dictionary
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v. main·lined, main·lining, main·lines Informal
To inject (an illegal or addictive drug, such as heroin) directly into a major vein.
To inject a drug intravenously.
mainline A regional term most commonly used as a verb in the drug subculture, meaning to inject a drug, usually understood to be illicit (e.g., heroin).
mainline Drug slang verb To inject a drug
References in periodicals archive
British Rail completed the East Coast main-line
project in 1991, enabling electric trains to run from London King's Cross to Edinburgh.
The full system was installed on a main-line
track in mid-September and has been undergoing operational system testing since then.
corridors to the ports of Vancouver and