ox·​i·​dase | \ ˈäk-sə-ˌdās How to pronounce oxidase (audio) , -ˌdāz \

Definition of oxidase

: any of various enzymes that catalyze oxidations especially : one able to react directly with molecular oxygen

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Other Words from oxidase

oxidasic \ ˌäk-​sə-​ˈdā-​sik How to pronounce oxidase (audio) , -​zik \ adjective

Examples of oxidase in a Sentence

Recent Examples on the Web When printed on fabric and worn, pH indicators could lend insight into skin health or dehydration; lactate oxidase could measure a wearer’s fatigue levels. Jillian Kramer, Scientific American, "Color-Changing Ink Turns Clothes into Giant Chemical Sensors," 3 July 2020 The gene causes the chestnut to produce oxalate oxidase, an enzyme that detoxifies the blight’s acid. Julia Rosen, latimes.com, "Should we resurrect the American chestnut tree with genetic engineering?," 25 June 2019 Scientists use a gene from bread wheat that produces an enzyme called oxalate oxidase, which prevents the fungus from forming cankers on plant stems. Hank Campbell, WSJ, "Science Saves an Old Chestnut," 19 June 2019 For instance, while several groups of scientists have found that glucose oxidase can produce electricity in biofuel cells implanted in lab rats, the enzyme also generates hydrogen peroxide, a common bleach. Charles Q. Choi, The Atlantic, "Your Heartbeat Could Power a Smartphone," 12 Apr. 2018 That thinking falls in line with the fact that people who have a genetic defect in their NADPH oxidase gene have a much higher risk of getting an invasive fungal infection during their lifetime. Beth Mole, Ars Technica, "We inhale up to 10 billion mold spores daily; here’s why you haven’t died yet," 8 Sep. 2017 The reason that apples turn brown soon after their fleshy innards are exposed is an enzyme known as polyphenol oxidase, or PPO. Danny Lewis, Smithsonian, "The First Non-Browning GMO Apples Slated to Hit Shelves Next Month," 23 Jan. 2017

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

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First Known Use of oxidase

1896, in the meaning defined above

History and Etymology for oxidase

International Scientific Vocabulary

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Time Traveler for oxidase

Time Traveler

The first known use of oxidase was in 1896

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Statistics for oxidase

Cite this Entry

“Oxidase.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxidase. Accessed 10 May. 2021.

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More Definitions for oxidase


ox·​i·​dase | \ ˈäk-sə-ˌdās, -ˌdāz How to pronounce oxidase (audio) \

Medical Definition of oxidase

: any of various enzymes that catalyze oxidations especially : one able to react directly with molecular oxygen

More from Merriam-Webster on oxidase

Britannica.com: Encyclopedia article about oxidase

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