An official compendium formerly issued by the American Pharmaceutical Association but now published by the United States Pharmacopeia l Convention for the purpose of providing standards and specifications which can be used to evaluate the quality of pharmaceuticals and therapeutic agents.
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Na·tion·al For·mu·lary .nash-(ə-)nəl-'fȯr-myə-.ler-ē n a periodically revised book of officially established and recognized drug names and standards abbr. NF
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see under N.Medical dictionary. 2011.