mainline

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English[edit]

Etymology[edit]

Adjective[edit]

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mainline (not comparable)

  1. normal, principal or standard.
  2. (rail transport) Of or pertaining to the principal route or line of a railway
  3. (rail transport) Of or pertaining to a surface railway as distinct from an underground, elevated or light rail one.

Synonyms[edit]

Verb[edit]

mainline (third-person singular simple present mainlines, present participle mainlining, simple past and past participle mainlined)

  1. To inject (a drug) directly into a vein.

Derived terms[edit]

See also[edit]