aureus

noun

au·​re·​us ˈȯr-ē-əs How to pronounce aureus (audio)
plural aurei
ˈȯr-ē-ˌī
: a gold coin of ancient Rome varying in weight from ¹/₃₀ to ¹/₇₀ libra

Examples of aureus in a Sentence

Recent Examples on the Web Boils are most often caused by the bacteria S. aureus. Kelly Hoover Greenway, Health, 19 June 2024 An analysis revealed Carter had developed a MRSA (or methicillin-resistant Staphylococcus aureus) infection. Cecilia.butini, Vox, 4 June 2024 Livestock-Associated Staphylococcus aureus: The United States Experience. Melinda Wenner Moyer, Scientific American, 1 Dec. 2016 The cause was Methicillin-resistant Staphylococcus aureus, an antibiotic resistant staph infection commonly known as MRSA, his aunt Carol Parsons told the Seattle Times, which first reported the death. Michael Ruiz, Fox News, 2 May 2024 The stimuli included Escherichia coli and influenza, which trigger the immune system’s innate response, as well as agents such as the Staphylococcus aureus enterotoxin B superantigen (SEB) that directly activate cells in the adaptive immune system called T cells. Alejandra Manjarrez, Scientific American, 14 Feb. 2024 But others, notably Staphylococcus aureus, cause a range of diseases, from pus-producing boils, carbuncles, and abscesses to food poisoning, osteomyelitis, and toxic shock syndrome. Mark Caldwell, Discover Magazine, 11 Nov. 2019 Researchers then took 20 mice and deliberately infected them with methicillin-resistant S. aureus, better known as MRSA. Corinne Purtill, Los Angeles Times, 15 Feb. 2024 In lab experiments, the honey protected against the bacterium Staphylococcus aureus, which causes a wide range of diseases in humans, but did not protect against other bacteria. Will Sullivan, Smithsonian Magazine, 28 July 2023

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

Word History

Etymology

Latin, literally, golden, from aurum gold; akin to Old Prussian ausis gold

First Known Use

1609, in the meaning defined above

Time Traveler
The first known use of aureus was in 1609

Dictionary Entries Near aureus

Cite this Entry

“Aureus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/aureus. Accessed 7 Jul. 2024.

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