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Mainline
Meaning
Adj
●
Normal,
principal
or standard.
●
In Rail transportation:
Of or
pertaining
to the
principal
route
or
line
of a railway.
●
In Rail transportation:
Of or
pertaining
to a
surface
railway
as
distinct
from an
underground
,
elevated
or
light rail
one.
●
In Chess:
Of a
sequence
of
opening
moves
: being part of a
main line
("a
standard
sequence
of
opening
moves
considered to be best play").
Verb
●
To
inject
(a
drug
)
directly
into a vein.
●
To
consume
voraciously.
●
In Computing:
To
integrate
(code, etc.) into the main
repository
for a
software
project,
rather than
separate
forks.
Noun
●
In Aviation:
An airline's main
operating
unit
,
as opposed to
codeshares
or
regional
subsidiaries.
●
In Rail transportation:
The
principal
route
or
line
of a railway.
●
In Fishing:
In
longline
fishing
the
central
line
to which the
branch lines
with
baits
are attached.
●
The
pipeline
carrying
wastewater
to the public
drains
or a
septic
tank.
●
A
principal
vein
into which a
drug
can be injected.
●
In Computing:
The main
repository
for a
software
project, from which different
versions
(forks) may be
split
off.
●
In Chess:
Alternative form of main line
Sourced from
Wiktionary
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