monobactam

M3O1N1O1B3A1C3T1A1M3

noun

Any of various beta-lactam compounds wherein the beta-lactam ring is alone, not fused to another ring.

OriginEnglish beta-lactam ← Proto-Indo-European *dʰeh₁- ← Latin ammoniacus →
Scrabble 18
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Meanings

nounmonobactam (plural monobactams)

plural monobactams

  1. chemistryAny of various beta-lactam compounds wherein the beta-lactam ring is alone, not fused to another ring.

Origin

  1. Proto-Indo-European*men-
  2. Proto-Hellenic*mónwos
  3. Ancient Greekμόνος (mónos)
  4. Ancient Greekμονο- (mono-)
  5. Englishmono-
  6. Proto-Semitic*bayt-
  7. Phoenician𐤁𐤕 (bt)
  8. Ancient Greekβῆτᾰ (bêtă)
  9. Englishbeta
  10. Latinlac
  11. Englishlacto-
  12. GermanKeton
  13. Englishketone
  14. Englishlac(tone)
  15. Egyptianjmn
  16. Ancient GreekᾸ̓́μμων (Ắmmōn)
  17. LatinAmmōn
  18. Latinammoniacus
  19. Englishammonia
  20. Proto-Indo-European*dʰeh₁-
  21. Englisham(ide)
  22. Englishlactam
  23. Englishbeta-lactam
  24. Englishmonobactam

From mono- + beta-lactam.

Full word history & related roots →
Cite this entry
APA

monobactam. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/monobactam

MLA

“monobactam.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monobactam. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “monobactam,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/monobactam.

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