pyrimethamine

American

[pahy-ruh-meth-uh-meen, -min] / ˌpaɪ rəˈmɛθ əˌmin, -mɪn /

noun

Pharmacology.

a potent substance, C 1 2 H 1 3 ClN 4 , used against susceptible plasmodia in the prophylactic treatment of malaria and against Toxoplasma gondi in the treatment of toxoplasmosis.

Etymology

Origin of pyrimethamine

First recorded in 1950–55; pyrim(idine) + eth(yl) + -amine

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They also argued that other companies had been able to buy the key ingredient, pyrimethamine, contradicting an FTC allegation.

From Reuters • Nov. 29, 2021

In 2012, the World Health Organization recommended the strategy with three old drugs — sulphadoxine, pyrimethamine and amodiaquine — so that the only sure-fire cure for malaria, artemisinin, would remain effective.

From Nature • Nov. 9, 2017

An increasingly common inflammation of the brain, "toxo" is now being treated with pyrimethamine in combination with sulfadiazine or injections of clindamycin.

From Time Magazine Archive

The vicious falciparum type of malaria parasite is responsible for virtually all the malaria that strikes U.S. troops, despite their "Sunday pill" of chloroquine and pyrimethamine.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023