DN·​ase (ˌ)dē-ˌen-ˈās How to pronounce DNase (audio)
(ˌ)dē-ˈen-ˌās How to pronounce DNase (audio)
variants or less commonly DNAase
: an enzyme that hydrolyzes DNA to nucleotides

called also deoxyribonuclease

Examples of DNase in a Sentence

Recent Examples on the Web Furthermore, DNase builds up before other signs of infection appear. Sophie Bushwick, Scientific American, 19 Nov. 2021 However, more research is needed before injecting DNase can be considered a viable human therapy. Christie Wilcox, Discover Magazine, 19 Apr. 2016

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'DNase.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1956, in the meaning defined above

Time Traveler
The first known use of DNase was circa 1956

Dictionary Entries Near DNase

Cite this Entry

“DNase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DNase. Accessed 28 Nov. 2023.

Medical Definition

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