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mainline

main·line [ máyn ln ]


transitive and intransitive verb  (past and past participle main·lined, present participle main·lin·ing, 3rd person present singular main·lines)
Definition:
 
1. take drugs intravenously: to inject an illicit drug, especially heroin or cocaine, intravenously

2. consume excessively: to consume or do something excessively, or be affected by something excessively



adjective 
Definition:
 
1. established: well established, accepted, or mainstream
mainline charitable organizations

2. of main rail line: situated on or relating to a main rail line
a mainline station


main·lin·er noun
main·lin·ing noun
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