nucleolus

N1U1C3L1E1O1L1U1S1

noun

A conspicuous, rounded body within the nucleus of a cell.

Similar
nucleole
OriginEnglish nucle(us) ← Latin nucleu ← Proto-Italic *knuks →
UncommonScrabble 11
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Meanings

nounnucleolus (plural nucleoli)

plural nucleoli

  1. biologyA conspicuous, rounded body within the nucleus of a cell.

    Synonyms: nucleole

Synonyms & antonyms

nounA conspicuous, rounded body within the nucleus of a cell.

Similar
nucleole

More synonyms by meaning

nouna small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis

Similar
nucleole
Broader
organellecell organellecell organ

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Italic*knuks
  2. Latinnux
  3. Latinnucleu
  4. Englishnucle(us)
  5. Englishnucleolus

From nucle(us) + Latin -olus.

Full word history & related roots →

Translations

Bulgarian ядърце
  • ядърце (jadărce)part of nucleus of a cell
Catalan nuclèol
  • nuclèolpart of nucleus of a cell
Czech jadérko
  • jadérkopart of nucleus of a cell
Dutch nucleolus, kernlichaampje
  • nucleoluspart of nucleus of a cell
  • kernlichaampjepart of nucleus of a cell
Esperanto nukleolo
  • nukleolopart of nucleus of a cell
Estonian tuumake
  • tuumakepart of nucleus of a cell
Finnish tumajyvänen, nukleoli
  • tumajyvänenpart of nucleus of a cell
  • nukleolipart of nucleus of a cell
French nucléole
  • nucléolepart of nucleus of a cell
German Kernkörperchen
  • Kernkörperchenpart of nucleus of a cell
Hindi केंद्रिका
  • केंद्रिका (kendrikā)part of nucleus of a cell
Hungarian sejtmagvacska
  • sejtmagvacskapart of nucleus of a cell
Icelandic kjarnakorn
  • kjarnakornpart of nucleus of a cell
Irish eithneog, núiclín
  • eithneogpart of nucleus of a cell
  • núiclínpart of nucleus of a cell
Japanese 核小体
  • 核小体 (kakushōtai)part of nucleus of a cell
Korean 핵소체
  • 핵소체 (haeksoche)part of nucleus of a cell
Latvian kodoliņš
  • kodoliņšpart of nucleus of a cell
Lithuanian branduolėlis
  • branduolėlispart of nucleus of a cell
Polish jąderko, nukleolus
  • jąderkopart of nucleus of a cell
  • nukleoluspart of nucleus of a cell
Portuguese nucléolo
  • nucléolopart of nucleus of a cell
Russian я́дрышко
  • я́дрышко (jádryško)part of nucleus of a cell
Spanish nucléolo
  • nucléolopart of nucleus of a cell
Swedish nukleol
  • nukleolpart of nucleus of a cell
Tagalog ibutod
  • ibutodpart of nucleus of a cell
Tamil கருவுட்பருனி
  • கருவுட்பருனி (karuvuṭparuṉi)part of nucleus of a cell
Turkish çekirdekçik
  • çekirdekçikpart of nucleus of a cell
Ukrainian ядерце
  • ядерце (jaderce)part of nucleus of a cell
Vietnamese hạch nhân, nhân con
  • hạch nhânpart of nucleus of a cell
  • nhân conpart of nucleus of a cell
Welsh cnewyllan
  • cnewyllanpart of nucleus of a cell

Rhymes & wordplay

Rhymes with nucleolus

alveolusmalleolus
All rhymes →
Cite this entry
APA

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

MLA

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

Chicago

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

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