Nuclease

n. enzyme which breaks down nucleic acids (Biochemistry)

A nuclease is an enzyme capable of cleaving the phosphodiester bonds between the nucleotide subunits of nucleic acids. Older papers may use terms such as "polynucleotidase" or "nucleodepolymerase".
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Nuclease /nu·cle·ase/ any of a group of enzymes that split nucleic acids into nucleotides and other products. nu·cle·ase n. [more]Nuclease - Community and Resources

Noun
1. general term for enzymes that catalyze the hydrolysis of nucleic acid by cleaving chains of nucleotides into smaller units
(hypernym) enzyme
(hyponym) endonuclease

n. nuclease, enzyme which breaks down nucleic acids (Biochemistry)