/puy'reuh meth"euh meen', -min/ , n. Pharm.
a potent substance, C 12 H 13 ClN 4 , used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis.
[ 1950-55; PYRIM(IDINE) + ETH(YL) + -AMINE ]