Meaning of 刚玉
刚玉 means corundum; a mineral, aluminum oxide (Al₂O₃), second only to diamond in hardness. Pronounced gāng yù.
- corundum; a mineral, aluminum oxide (Al₂O₃), second only to diamond in hardness
Definitions & Examples
Hóng红
bǎo宝
shí石
hé和
lán蓝
bǎo宝
shí石
dōu都
shì是
gāng刚
yù玉
de的
yī一
zhǒng种
。
Ruby and sapphire are both types of corundum.
Gōng工
yè业
shàng上
cháng常
yòng用
gāng刚
yù玉
zuò作
wéi为
yán研
mó磨
cái材
liào料
。
In industry, corundum is often used as an abrasive material.
Zhè这
zhǒng种
jīng精
mì密
yí仪
qì器
de的
zhóu轴
chéng承
shì是
gāng刚
yù玉
zhì制
chéng成
de的
。
The bearing of this precision instrument is made of corundum.
Gāng刚
yù玉
jīng晶
tǐ体
tōng通
cháng常
chéng呈
tǒng桶
zhuàng状
huò或
zhù柱
zhuàng状
。
Corundum crystals are usually barrel-shaped or columnar.