[ trahy-meth-uh-prim ]
/ traɪˈmɛθ ə prɪm /
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a synthetic crystalline compound, C11H18N4O3, usually combined with a sulfonamide as an antibiotic preparation in the treatment of urinary tract infections and pneumocystis pneumonia.
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Origin of trimethoprim
1960–65; trimetho(xyphenyl) + p(y)rim(idinediamine), components of its chemical name
Words nearby trimethoprim
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Medical definitions for trimethoprim
[ trī-mĕth′ə-prĭm ]
An antibiotic usually used to treat urinary tract infections, often in combination with sulfamethoxazole.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.