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Meaning of pyrimethamine

py•ri•meth•a•mine

Pronunciation: (pī"ru-meth'u-mēn", -min), [key]
— n. Pharm.
  1. a potent substance, CHClN, used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.