Definition of Vertical line
(Dialing)
A
line
perpendicular
to
the
horizon
.
(Conic Sections)
A
right
line
drawn
on
the
vertical
plane
,
and
passing
through
the
vertex
of
the
cone
.
(Surv.)
The
direction
of
a
plumb
line
;
a
line
normal
to
the
surface
of
still
water
.
(Geom., Drawing, etc.)
A
line
parallel
to
the
sides
of
a
page
or
sheet
,
in
distinction
from
a
horizontal line
parallel
to
the
top
or
bottom
.
See also:
Vertical
Vertical
Vertical
Vertical
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Vertebral
Vertebrally
Vertebrarterial
Vertebrata
Vertebrate
Vertebre
Vertebro-
Vertebro-iliac
Vertex
Vertex of a curve
Vertex of a solid
Vertex of an angle
Vertical
Vertical angle
Vertical anthers
Vertical circle
Vertical drill
Vertical fire
Vertical leaves
Vertical limb
Vertical plane
Vertical sash
Vertical steam engine
Verticality
Vertically
Verticalness
Verticil
Verticillaster
Verticillate
Verticillus
Verticity
Verticle
Vertiginate
Vertiginous
Vertigo
Vertilinear
Vertu
Vertuous
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