sildenafil
sil·den·a·fil
noun \sil-ˈde-nə-ˌfil\Definition of SILDENAFIL
: a drug used in the form of its citrate C22H30N6O4S‧C6H8O7 to treat erectile dysfunction
Origin of SILDENAFIL
perhaps by alteration and recombination of letters from sulfonyl, phenyl, and pyrimidine
First Known Use: 1995
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