U.S.P.

or U.S. Pharm.


United States Pharmacopeia.

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British Dictionary definitions for usp

USP

abbreviation for

unique selling proposition or unique selling point: a characteristic of a product that can be used in advertising to differentiate it from its competitors
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012