yuánzì Chinese characters of the chemical elements
钴

Cobalt Co · 27

gǔ

solid metal · period 4, group 9 · d-block

Anatomy

钅 radical 金 jīn
metal → solid metal
+ 古 phonetic
from cobalt =
钴 gǔ

Transliteration. The phonetic half approximates the international name. Cobalt

History of the character

Every form found in the sources, from the first missionary chemistry books of the 1850s to the current standards. Hover a dot for the source. Simplified 钴, traditional 鈷.

1850187519001925195019752000antiquitytoday
鎬
1870 · 化學初階 · Huàxué Chūjiē (1870) — John G. Kerr (嘉約翰) & Hé Liǎorán (何瞭然)
苦抱爾
1871 · 金石識別 · Jīnshí Shíbié (1871) — D. J. MacGowan (瑪高溫) & Huà Héngfāng (華蘅芳)
鈷 gǔ
1871 · 化學鑑原 · Huàxué Jiànyuán (1871) — Xú Shòu (徐壽) & John Fryer (傅蘭雅), Jiangnan Arsenal1905 · 化學新教科書 · Huàxué Xīn Jiàokēshū (1905) — Dù Yàquán (杜亞泉), Commercial Press
錆 qiāng
1873 · 化學指南 · Huàxué Zhǐnán (1873) — Anatole Billequin (畢利幹) & Lián Zǐzhèn (聯子振) after the sky-blue colour of its salts
釦 kòu
1901 · 化學名目與命名法 · Chemical Terms and Nomenclature (1901) — Educational Association of China (益智書會)
  1. 1870 鎬 化學初階 Huàxué Chūjiē, John G. Kerr (嘉約翰) & Hé Liǎorán (何瞭然)
  2. 1871 苦抱爾 金石識別 Jīnshí Shíbié, D. J. MacGowan (瑪高溫) & Huà Héngfāng (華蘅芳)
  3. 1871 鈷 化學鑑原 Huàxué Jiànyuán, Xú Shòu (徐壽) & John Fryer (傅蘭雅), Jiangnan Arsenal
  4. 1873 錆 qiāng 化學指南 Huàxué Zhǐnán, Anatole Billequin (畢利幹) & Lián Zǐzhèn (聯子振) after the sky-blue colour of its salts
  5. 1901 釦 kòu 化學名目與命名法 Chemical Terms and Nomenclature, Educational Association of China (益智書會)
  6. 1905 鈷 gǔ 化學新教科書 Huàxué Xīn Jiàokēshū, Dù Yàquán (杜亞泉), Commercial Press

Homophones

No other element shares this syllable.

Elsewhere

Japanese コバルト Korean 코발트 Vietnamese cobalt

Western name from German Kobold|italic=yes, “goblin”. Compare all

Unicode

U+94B4 in CJK Unified Ideographs