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English definition of “mainline”

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mainline

adjective uk   /ˈmeɪn.laɪn/ us  

mainline adjective (COMMON)

usually US involving beliefs, methods, etc. that are most common: mainline churches the rivalry between catalog companies and mainline stores

mainline adjective (RAILWAY)

UK relating to an important railway route between large towns or cities: Three mainline railway stations were closed because of bomb threats.

mainline

verb [I or T] uk   /ˈmeɪn.laɪn/ slang us  
to inject (= put into the body through a needle) drugs directly into the blood: Several of her friends were mainlining heroin. By now she was mainlining.
Translations of “mainline”
in Chinese (Traditional) 普遍的, (信念、方法等)主流的…
in Chinese (Simplified) 普通的, 主流的(信念、方法等)…
(Definition of mainline from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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