镧 (lán) - Lanthanum — a soft, malleable, silvery-white metallic element

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Lanthanum — a soft, malleable, silvery-white metallic element of the lanthanide series, used in various alloys and as a catalyst.

Lanthanum — a soft, malleable, silvery-white metallic element

Usage highlights

Lanthanum elementLanthanum oxideLanthanum nitrateLanthanum seriesLanthanum alloyLanthanum catalyst

Synonyms

Usage & contexts

Examples

  • Lanthanum is used in camera lenses (镧玻璃).
  • It's a component in hybrid car batteries (镧镍合金).
  • Lanthanum compounds are used in petroleum refining (镧催化剂).
  • This mineral contains lanthanum (含镧矿物).

Collocations

  • Lanthanum element(镧元素)
  • Lanthanum oxide(氧化镧)
  • Lanthanum nitrate(硝酸镧)
  • Lanthanum series(镧系)
  • Lanthanum alloy(镧合金)
  • Lanthanum catalyst(镧催化剂)

Idioms

  • Lanthanide contraction(镧系收缩)
  • Lanthanum series elements(镧系元素)
  • Rare earth lanthanum(稀土镧)

Cultural background

FAQ
  • Discovered in 1839 by Swedish chemist Carl Gustaf Mosander.
  • Named from Greek 'lanthanein' meaning 'to lie hidden' as it was hidden in cerium oxide.
  • Part of the rare earth elements group, important in modern technology.

FAQ