pāowùmiànjìng

抛物面镜

Word · NounTraditional拋物面鏡

parabolic mirror

Tone colorsmāmámǎmàma

Meanings

1 sense · 3 examples
1.

noun

parabolic mirror; mirror with a parabolic reflecting surface

Used in optics and lighting engineering. When a light source is placed at the focal point of the parabola, the reflected rays become parallel, creating a focused beam ideal for headlights and searchlights.

Qì汽
chē车
qián前
dēng灯
lǐ里
zhuāng装
yǒu有
pāo抛
wù物
miàn面
jìng镜
 。

Car headlights contain parabolic mirrors.

Zhè这
jià架
wàng望
yuǎn远
jìng镜
shǐ使
yòng用
le了
yī一
miàn面
jù巨
dà大
de的
pāo抛
wù物
miàn面
jìng镜
lái来
shōu收
jí集
xīng星
guāng光
 。

This telescope uses a huge parabolic mirror to collect starlight.

Show 1 more example
Tàn探
zhào照
dēng灯
de的
pāo抛
wù物
miàn面
jìng镜
kě可
yǐ以
jiāng将
guāng光
xiàn线
jù聚
jiāo焦
chéng成
yī一
shù束
qiáng强
guāng光
 。

The parabolic mirror of a searchlight can focus light into a strong beam.