niacin

1. 1.

   a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract

   Synonymsnicotinic acid

   BroaderB-complex vitamin

Other forms of niacin

plural

niacins·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about niacin

What does niacin mean?

niacin means "a B vitamin essential for the normal function of the nervous system and the gastrointestinal tract".

How many syllables are in niacin?

niacin has 3 syllables: ni-a-cin. The stress falls on "ni". In IPA it is /ˈnaɪəsən/.

What is another word for niacin?

Close synonyms include nicotinic acid. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is niacin a common word?

niacin is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.