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trimethoprim

[trahy-meth-uh-prim] /traɪˈmɛθ ə prɪm/
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.
Origin
1960-1965
1960-65; trimetho(xyphenyl) + p(y)rim(idinediamine), components of its chemical name
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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