n 1  :  a learned detailed thoroughly documented treatise covering exhaustively a small area of a field of learning <this covers the development of intravenous anesthesia from 1872 -Jour. Amer. Med. Assoc.>   2  :  a description (as in the U.S. Pharmacopeia) of the name, chemical formula, and uniform method for determining the strength and purity of a drug monograph vt 
 
 
 
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