Dictionary definitions
- Enter a word for the dictionary definition.
vitamin b5
From The Collaborative International Dictionary of English v.0.48:
nicotinic acid \nic`o*tin"ic ac"id\, n. (Chem.) An organic acid (C6H5NO2), a carboxylated derivative of pyridine, obtained by the oxidation of nicotine; called also niacin and antipellagra vitamin, and vitamin B5. Chemically it is 3-pyridinecarboxylic acid. Note: It is a cofactor in several enzymatic reactions, and is used to prevent a pellagra-like disease in dogs. --[MI11] Syn: 3-pyridinecarboxylic acid, niacin, antipellagra vitamin. [1913 Webster +PJC] .
From The Collaborative International Dictionary of English v.0.48:
vitamin B5 \vitamin B5\ n. See nicotinic acid. Syn: nicotinic acid. [PJC]

