nicotinic acid
noun/ˌnɪkətɪnɪk ˈæsɪd/
/ˌnɪkətɪnɪk ˈæsɪd/
(also niacin)
[uncountable]- a vitamin of the B group that is found in foods such as milk and meat
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nicotinic acid
Definition of nicotinic acid noun from the Oxford Advanced Learner's Dictionary