cobalamin

C3O1B3A1L1A1M3I1N1
/koʊˈbæləmɪn/

noun

Any of several forms of vitamin B₁₂ depending on the upper axial ligand of the cobalt ion.

Similar
vitamin B12cyanocobalaminantipernicious anemia factor
UncommonScrabble 15
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nouncobalamin (plural cobalamins)

plural cobalamins

  1. chemistryAny of several forms of vitamin B₁₂ depending on the upper axial ligand of the cobalt ion.

Synonyms & antonyms

nouna B vitamin that is used to treat pernicious anemia

Similar
vitamin B12cyanocobalaminantipernicious anemia factor
Broader
B-complex vitaminB complexvitamin B complex
Also see
cyanocobalaminvitamin b12

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Blend of cobalt + vitamin, 1950s.

Full word history & related roots →

Translations

Esperanto kobalamino
  • kobalaminoany form of Vitamin B12
French cobalamine
  • cobalamineany form of Vitamin B12
Italian cobalamina
  • cobalaminaany form of Vitamin B12
Japanese コバラミン
  • コバラミン (kobaramin)any form of Vitamin B12
Spanish cobalamina
  • cobalaminaany form of Vitamin B12
Cite this entry
APA

cobalamin. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cobalamin

MLA

“cobalamin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cobalamin. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cobalamin,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cobalamin.

Source: cobalamin on Wiktionary, CC BY-SA 4.0.