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Word of the Day Wednesday, June 10, 2026

nuclease

/ˈnuːkleɪz/ noun · British & US
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What does nuclease mean?

noun

An enzyme that cleaves nucleic acids, such as DNA or RNA, into smaller fragments. A nuclease is often used in molecular biology to break down nucleic acids for analysis or to study their structure and function.

Example

"The researcher used a nuclease to break down the DNA sample into smaller fragments for sequencing."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for nuclease

Rhymes with nuclease