rare earth elements; REE
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
rare earth elements; collective term for 17 metallic chemical elements (scandium, yttrium, and the lanthanides)
Technical term used in chemistry, materials science, and geology. Despite the name, these elements are relatively abundant in Earth's crust, but are rarely concentrated in minable deposits. Critical for manufacturing high-tech products.
Xī稀
tǔ土
yuán元
sù素
zài在
zhì制
zào造
gāo高
xìng性
néng能
cí磁
tiě铁
hé和
diàn电
zǐ子
shè设
bèi备
zhōng中
zhì至
guān关
zhòng重
yào要
。
Rare earth elements are crucial for manufacturing high-performance magnets and electronic devices.
Zhè这
zhǒng种
kuàng矿
shí石
hán含
yǒu有
fēng丰
fù富
de的
xī稀
tǔ土
yuán元
sù素
，
yóu尤
qí其
shì是
nǚ钕
hé和
pǔ镨
。
This ore contains abundant rare earth elements, especially neodymium and praseodymium.
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Kàng钪
hé和
yǐ钇
suī虽
rán然
shǔ属
yú于
xī稀
tǔ土
yuán元
sù素
，
dàn但
bìng并
bù不
shǔ属
yú于
lán镧
xì系
yuán元
sù素
。
Although scandium and yttrium are classified as rare earth elements, they are not lanthanides.