Phrase guide

vitamin B12

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The compound cobalamin; (often also) related compounds such as cyanocobalamin.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: vitamin B, vitamin, compound, substance, material

2

noun

Meaning 2

a B vitamin that is used to treat pernicious anemia

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: cobalamin, cyanocobalamin, antipernicious anemia factor

Antonyms: none provided

Broader terms: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B

History

Etymology

No etymology was provided for this word.

Across languages

Translations

7 source translations are retained for this English entry.

  • Chinese Mandarin: 維生素B12 /维生素B12 (wéishēngsù B12) — compound cobalamin or cyanocobalamin
  • Chinese Mandarin: 維他命B12 /维他命B12 (wéitāmìng B12) — compound cobalamin or cyanocobalamin
  • Dutch: vitamine B12 — compound cobalamin or cyanocobalamin
  • Finnish: B12-vitamiini — compound cobalamin or cyanocobalamin
  • Japanese: ビタミンB12 (bitamin B12) — compound cobalamin or cyanocobalamin
  • Korean: 비타민 B12 (bitamin B12) — compound cobalamin or cyanocobalamin
  • Swahili: vitamini B12 — compound cobalamin or cyanocobalamin