Standard Lemma guide

endonuclease

noun · 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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1

noun

Meaning 1

Any enzyme which catalyzes the cleavage of nucleic acids so as to produce variously sized fragments.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a nuclease that cleaves nucleic acids at interior bonds and so produces fragments of various sizes

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: nuclease

Narrower terms: restriction endonuclease, restriction nuclease, restriction enzyme

History

Etymology

No etymology was provided for this word.

Across languages

Translations

2 source translations are retained for this English entry.

  • Czech: endonukleáza — enzyme which catalyzes the cleavage of nucleic acids
  • Finnish: endonukleaasi — enzyme which catalyzes the cleavage of nucleic acids