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pyrexia
pyrheliometer
pyric
pyridine
pyridoxal
pyridoxamine
pyridoxine
pyriform
pyrimethamine
pyrimidine
pyrite
pyro-
pyrocatechol
pyrocellulose
pyrochemical
pyroclastic
pyroconductivity
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pyrimethamine
py·ri·meth·a·mine [ prə méthə mn ]


noun 
Definition:
 
antimalarial drug: a synthetic drug derived from pyrimidine. Use: treatment of malaria and toxoplasmosis.
[Mid-20th century. <pyrimidine + ethylamine]
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