de·​oxy·​ri·​bo·​nu·​cle·​ase | \ (ˌ)dē-ˈäk-si-ˌrī-bō-ˈn(y)ü-klē-ˌās How to pronounce deoxyribonuclease (audio) , -ˌāz \

Definition of deoxyribonuclease

: dnase

Examples of deoxyribonuclease in a Sentence

Recent Examples on the Web For reasons that are not entirely understood, many strains of harmful bacteria secrete an enzyme called deoxyribonuclease. Maddie Bender, STAT, 20 Nov. 2021 The sensor can detect an enzyme called deoxyribonuclease, or DNase. Sophie Bushwick, Scientific American, 19 Nov. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deoxyribonuclease.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of deoxyribonuclease

1946, in the meaning defined above

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The first known use of deoxyribonuclease was in 1946

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Dictionary Entries Near deoxyribonuclease

deoxypentose nucleic acid


deoxyribonucleic acid

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Last Updated

29 Nov 2021

Cite this Entry

“Deoxyribonuclease.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2021.

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More Definitions for deoxyribonuclease


de·​oxy·​ri·​bo·​nu·​cle·​ase | \ (ˈ)dē-ˈäk-si-ˌrī-bō-ˈn(y)ü-klē-ˌās, -ˌāz How to pronounce deoxyribonuclease (audio) \
variants: also desoxyribonuclease \ (ˈ)des-​ How to pronounce deoxyribonuclease (audio) \

Medical Definition of deoxyribonuclease

: an enzyme that hydrolyzes DNA to nucleotides

called also DNase


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