វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Quadrant
noun
1.
(an
quarter
of a
circle
or of
its
circumference
; an
arc
of 90
degrees
a
quarter
section
of a
circle
; in
gunnery
an
instrument
to
make
the
degrees
of a gun's
elevation
)
ចតុភាគមណ្ឌល
ENGLISH MEANING
noun
1.
The
fourth
part
; the
quarter
.
2.
The
quarter
of a
circle
, or of the
circumference
of a
circle
, an
arc
of 90, or one
subtending
a
right
angle
at the
center
.
3.
One of the four
parts
into
which
a
plane
is
divided
by the
coordinate
axes
. The
upper
right-hand
part
is the
first
quadrant; the
upper
left-hand
part
the
second
; the
lower
left-hand
part
the
third
; and the
lower
right-hand
part
the
fourth
quadrant.
4.
An
instrument
for
measuring
altitudes
,
variously
constructed
and
mounted
for
different
specific
uses
in
astronomy
,
surveying
,
gunnery
,
etc
.,
consisting
commonly
of a
graduated
arc
of 90, with an
index
or
vernier
, and
either
plain
or
telescopic
sights
, and
usually
having a
plumb
line
or
spirit
level
for
fixing
the
vertical
or
horizontal
direction
.