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
A water-soluble vitamin, a component of vitamin B complex, found in meat, yeast, and dairy products; it is essential to metabolism.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: nicotinic acid
Antonyms: none provided
Broader terms: B-complex vitamin, B complex, vitamin B complex, vitamin B, B vitamin, B
History
in 1942 derived from nicotinic + acid + vitamin, chosen to dissociate it from nicotine, to avoid the perception that vitamins or niacin-rich food contains nicotine, or that cigarettes contain vitamins.
Across languages
9 source translations are retained for this English entry.
