Standard Lemma guide

nucleoid

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • Received-Pronunciation: /ˈnjuːkliˌɔɪd/
  • General-American: /ˈnjukliˌɔɪd/
  • General-American: /ˈnu-/

1

noun

Meaning 1

The irregularly-shaped region within a prokaryote cell where the genetic material is localized

Definition source: English Wiktionary via Wiktextract

Topics: biology, microbiology, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From nucleo- + -oid; thus "like a nucleus".

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 擬核 /拟核 (nǐhé) — the irregularly-shaped region within a prokaryote cell where the genetic material is localized
  • French: nucléoïde — the irregularly-shaped region within a prokaryote cell where the genetic material is localized
  • Italian: nucleoide — the irregularly-shaped region within a prokaryote cell where the genetic material is localized
  • Māori: pōkai pītau-ira — the irregularly-shaped region within a prokaryote cell where the genetic material is localized
  • Portuguese: nucleoide — the irregularly-shaped region within a prokaryote cell where the genetic material is localized
  • Spanish: nucleoide — the irregularly-shaped region within a prokaryote cell where the genetic material is localized