Standard Lemma guide

nucleo-

prefix · 2 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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No pronunciation record was provided for this word.

1

prefix

Meaning 1

Forming words pertaining to nuclei.

Forming words pertaining to the cell nucleus or to nucleic acid.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: biochemistry, biology, chemistry, cytology, medicine, microbiology, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

Forming words pertaining to nuclei.

Forming words pertaining to atomic nuclei.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Italic *knuks Latin nux Latin nucleuslbor. English nucleus English nucleo- Formed from nucleus, from Latin nucleus (“kernel, core”), a diminutive of nux (“nut”).

Across languages

Translations

5 source translations are retained for this English entry.

  • Italian: nucleo- — pertaining to the cell nucleus or to nucleic acid
  • Norwegian Bokmål: atom- — pertaining to the cell nucleus or to nucleic acid
  • Norwegian Bokmål: kjerne- — pertaining to the cell nucleus or to nucleic acid
  • Norwegian Bokmål: atom- — pertaining to atomic nuclei
  • Norwegian Bokmål: kjerne- — pertaining to atomic nuclei