cefalonium

C3E1F4A1L1O1N1I1U1M3

noun

A cephalosporin antibiotic.

OriginEnglish onium ← New Latin ammōnium →
Scrabble 17
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Meanings

nouncefalonium (uncountable)
  1. uncountablemedicineA cephalosporin antibiotic.

Origin

  1. Englishcephalosporin
  2. Englishcephalosporanic
  3. New Latinammōnium
  4. Englishammonium
  5. Englishonium
  6. Englishcefalonium

From cephalo(sporanic acid) + -onium (“quaternary ammonium compound”).

Full word history & related roots →
Cite this entry
APA

cefalonium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/cefalonium

MLA

“cefalonium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cefalonium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “cefalonium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/cefalonium.

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