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

Example Sentences

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.

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of deoxyribonuclease was in 1946

Dictionary Entries Near deoxyribonuclease

Cite this Entry

“Deoxyribonuclease.” Dictionary, Merriam-Webster, Accessed 24 Mar. 2023.

Medical Definition


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
: an enzyme that hydrolyzes DNA to nucleotides

called also DNase

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