nitrosome

N1I1T1R1O1S1O1M3E1

noun

A vesicle found in some eukaryotic cells which contains endosymbiotic nitrogen-fixing bacteria.

OriginEnglish nitro- ← Ancient Greek νῐ́τρον (nĭ́tron) ← Egyptian nṯrj →
Scrabble 11
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Meanings

nounnitrosome (plural nitrosomes)

plural nitrosomes

  1. biologyA vesicle found in some eukaryotic cells which contains endosymbiotic nitrogen-fixing bacteria.

Origin

  1. Egyptiannṯrj
  2. Ancient Greekνῐ́τρον (nĭ́tron)
  3. Englishnitro-
  4. Englishnitrosome

From nitro- + -some.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Monroeist
Cite this entry
APA

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

MLA

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

Chicago

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

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