Standard Lemma guide
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.
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noun
Any of several forms of vitamin B12 depending on the upper axial ligand of the cobalt ion.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a B vitamin that is used to treat pernicious anemia
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: vitamin B12, cyanocobalamin, antipernicious anemia factor
Antonyms: none provided
Broader terms: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B
History
Blend of cobalt + vitamin, 1950s.
Across languages
5 source translations are retained for this English entry.
