sildenafil

English

Etymology

Origin unknown.

Noun

sildenafil (uncountable)

  1. (pharmacology) A drug, whose citrate is marketed as Viagra; a treatment for erectile dysfunction. [from 20th c.]
    • 2017, David Friend, The Naughty Nineties:
      Ellis opens a file from his stack. In 1991, he says, Pfizer wanted to test the safety of what came to be known as sildenafil.

Derived terms

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