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| Symbol: Ir; atomic weight: 192.2; atomic number: 77 |
| Symbol: Br; atomic weight: 79.904; atomic number: 35 |
| nicotinic acid | |
| —n | |
| Also called: niacin a vitamin of the B complex that occurs in milk, liver, yeast, etc. Lack of it in the diet leads to the disease pellagra. Formula: (C5H4N)COOH | |
nicotinic acid n.
See niacin.
| nicotinic acid (nĭk'ə-tĭn'ĭk, -tē'nĭk) Pronunciation Key
See niacin. |