Meaning of sildenafil in English:

sildenafil

Pronunciation /ˌsɪlˈdɛnəfɪl/

noun

  • A drug taken to increase blood flow to the penis and improve erectile function.

    Also called Viagra (a trademark)

    Chemical formula: C₂₂H₃₀N₆O₄S

Origin

1990s origin unknown.