trimethoprim

[ trahy-meth-uh-prim ]

noun

, Pharmacology.

1. a synthetic crystalline compound, C 11 H 18 N 4 O 3 , usually combined with a sulfonamide as an antibiotic preparation in the treatment of urinary tract infections and pneumocystis pneumonia.

Word History and Origins

Origin of trimethoprim¹

1960–65; trimetho(xyphenyl) + p(y)rim(idinediamine) , components of its chemical name

Example Sentences

In fact, by their calculations, a whopping 43 percent of all trimethoprim consumed in the Baltimore metro area made it into the water.

From Science News For Students

Overall, more drugs such as the antibiotic trimethoprim came out of the treatment plant than from leaking pipes.

From Science News For Students

The drug that showed up most often was an antibiotic called trimethoprim.

From Science News For Students