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1. Oxford American Dictionary

   nicotinic acid

   • IPA[ˌnikəˌtēnik ˈasəd]

   美式

   • n.
     a vitamin of the B complex which is widely distributed in foods such as milk, wheat germ, and meat, and can be synthesized in the body from tryptophan. Its deficiency causes pellagra.

   • noun: nicotinic acid

2. • 更多解釋

   nicotinic acid

   • IPA[nɪkəˈtɪnɪk]

   英式

   • n.
     a vitamin of the B complex which is widely distributed in foods such as milk, wheat germ, and ...

   Oxford Dictionary