trimethoprim

T1R1I1M3E1T1H4O1P3R1I1M3
UK/tɹʌɪˈmɛθ.ə(ʊ).pɹɪm/US/tɹaɪˈmɛθ.əˌpɹɪm/

noun

A synthetic antibiotic used to treat malaria and respiratory and urinary infections (usually in conjunction with a sulphonamide).

OriginEnglish p(y)rim(idine) ← German Pyrimidin →
UncommonScrabble 21
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Meanings

nountrimethoprim (countable and uncountable, plural trimethoprims)

plural trimethoprims

  1. countableuncountablemedicineA synthetic antibiotic used to treat malaria and respiratory and urinary infections (usually in conjunction with a sulphonamide).

Origin

  1. Englishtrimetho(xy)
  2. GermanPyrimidin
  3. Englishp(y)rim(idine)
  4. Englishtrimethoprim

From trimetho(xy) + p(y)rim(idine).

Full word history & related roots →

Translations

Catalan trimetoprim
  • trimetoprimTranslations
Czech trimethoprim, trimetoprim
  • trimethoprimTranslations
  • trimetoprimTranslations
Spanish trimetoprima
  • trimetoprimaTranslations
Cite this entry
APA

trimethoprim. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/trimethoprim

MLA

“trimethoprim.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trimethoprim. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “trimethoprim,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/trimethoprim.

Source: trimethoprim on Wiktionary, CC BY-SA 4.0.