钴 (gǔ) - Cobalt — a hard, lustrous, silver-gray metallic element & also refers to cobalt blue pigment.

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钴 · gǔ

Cobalt — a hard, lustrous, silver-gray metallic element used in alloys, magnets, and pigments;

also refers to cobalt blue pigment.

Cobalt — a hard, lustrous, silver-gray metallic elementalso refers to cobalt blue pigment.

Usage highlights

Cobalt blueCobalt alloyCobalt mineCobalt powderCobalt catalystCobalt steel

Synonyms

Usage & contexts

Examples

  • Cobalt is used in powerful magnets (钴磁铁).
  • The artist used cobalt blue pigment (钴蓝色).
  • This battery contains cobalt (钴电池).
  • Cobalt alloys are very durable (钴合金).

Collocations

  • Cobalt blue(钴蓝)
  • Cobalt alloy(钴合金)
  • Cobalt mine(钴矿)
  • Cobalt powder(钴粉)
  • Cobalt catalyst(钴催化剂)
  • Cobalt steel(钴钢)

Idioms

  • Cobalt bomb(钴弹)
  • Cobalt-chromium alloy(钴铬合金)
  • Cobalt-60(钴60)

Cultural background

FAQ
  • Cobalt has been used since ancient times to create blue pigments for ceramics and glass.
  • The name comes from German 'Kobold' meaning 'goblin', as miners considered cobalt ore troublesome.
  • Modern importance in batteries and electronics makes cobalt strategically significant.

FAQ