វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Perpendicular
ENGLISH MEANING
noun
1.
A
line
at
right
angles
to the
plane
of the
horizon
; a
vertical
line
or
direction
.
2.
A
line
or
plane
falling
at
right
angles
on
another
line
or
surface
, or
making
equal
angles
with it on
each
side
.
adjective
1.
Exactly
upright
or
vertical
;
pointing
to the
zenith
; at
right
angles
to the
plane
of the
horizon
;
extending
in a
right
line
from
any
point
toward
the
center
of the
earth
.
2.
At
right
angles
to a
given
line
or
surface
; as, the
line
ad is perpendicular to the
line
bc.