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cobalt

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cobalt¹

  • /ˈkəʊ.bɒlt/
  • /ˈkəʊ.bɔːlt/
  • /ˈkoʊ.bɔlt/ US
  • /ˈkoʊ.bɑlt/ cot caught merger

Where it comes from

From German Kobalt, formerly also Kobald, ‑olt, ‑old, ‑elt, ‑el, apparently the same word as Kobold (“goblin”), from Middle High German, which became also a Harz Mountains silver miners’ term for rock laced with arsenic and sulfur, so called because it degraded the ore and made the miners ill. Doublet of kobold.

noun cobalts

  1. uncountable, usually A chemical element (symbol Co) with an atomic number of 27: a hard, lustrous, silver-gray metal.
  2. uncountable, usually Cobalt blue. And although we’ve certainly seen a variety of blue shades — from periwinkle to cobalt and even Dean Cain’s indigo-washed costume from the 1990’s TV show “Lois & Clark” — Superman’s uniform is still instantly recognizable across generations. In fact, there is only one film — Zack Snyder’s 2013 “Man

Cobalt²

proper noun

  1. A community in the town of East Hampton, Middlesex County, Connecticut.
  2. An unincorporated community in Lemhi County, Idaho.
  3. A village in Madison County, Missouri.
  4. A town in Timiskaming District, Ontario, Canada.

Thesaurus

Closest in meaning: co, copper, samarium, chloride, muriate, ferromanganese, chrome, ore, crust, discovery, sapphire, indigo, ultramarine, royal, azure, cerulean

Translations

Every language

noun chemical element

Españolcobalto
한국어코발트 kobalteu
日本語コバルト kobaruto
中文鈷 /钴 gǔ
हिन्दीकेत्वातु ketvātu
Kiswahilikobalti
Portuguêscobalto
Françaiscobalt
DeutschKobalt
Italianocobalto
Ελληνικάκοβάλτιο kováltio
Românăcobalt
Русскийко́бальт kóbalʹt
Tiếng Việtcoban
العربيةكُوبَلْت m or كُوبَالْت kūbalt
עבריתקובלט qóbalt

Talk about this word

Cite this
MLA

"cobalt." Wiktionary, via Micwyn, micwyn.com/word/cobalt. Accessed 6 Nov. 2026.

APA

cobalt. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/cobalt

Chicago

"cobalt." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/cobalt.

BibTeX
@misc{cobalt_2026,
  title = {cobalt},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/cobalt},
  urldate = {2026-11-06}
}