最終更新日：2025/11/20
A device that includes a plane mirror which turns so as to keep reflecting sunlight toward a predetermined target, compensating for the sun's apparent motions in the sky. The target may be a physical object, distant from the heliostat, or a direction in space, and is almost always stationary relative to the heliostat, so the light is reflected in a fixed direction.
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heliostat
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元となった辞書の項目
heliostat
名詞
A
device
that
includes
a
plane
mirror
which
turns
so
as
to
keep
reflecting
sunlight
toward
a
predetermined
target,
compensating
for
the
sun's
apparent
motions
in
the
sky.
The
target
may
be
a
physical
object,
distant
from
the
heliostat,
or
a
direction
in
space,
and
is
almost
always
stationary
relative
to
the
heliostat,
so
the
light
is
reflected
in
a
fixed
direction.
日本語の意味
太陽の動きに合わせて角度を調整し、平面鏡によって太陽光をあらかじめ定められた対象（物体や方向）に反射する装置
意味（1）
A
device
that
includes
a
plane
mirror
which
turns
so
as
to
keep
reflecting
sunlight
toward
a
predetermined
target,
compensating
for
the
sun's
apparent
motions
in
the
sky.
The
target
may
be
a
physical
object,
distant
from
the
heliostat,
or
a
direction
in
space,
and
is
almost
always
stationary
relative
to
the
heliostat,
so
the
light
is
reflected
in
a
fixed
direction.
（ plural ）
