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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Nearly 75% of swab samples taken from fitness equipment such as dumbbells, treadmills and exercise mats tested positive for Staphylococcus aureus, according to a 2018 study in the Journal of Environmental and Public Health. Melanie Radzicki McManus, CNN, 25 Jan. 2025 While the aureus’ price tag is high, its authenticity has been the subject of debate. Julia Binswanger, Smithsonian Magazine, 12 Dec. 2024 But a bigger concern is methicillin-resistant Staphylococcus aureus, or MRSA, said Dr. Chuck Gerba, a professor of virology at the University of Arizona in Tucson. Melanie Radzicki McManus, CNN, 25 Jan. 2025 Common causes include Staphylococcus aureus, Streptococcus, Haemophilus influenzae, and anaerobic bacteria. Anna Giorgi, Verywell Health, 27 Dec. 2024 See all Example Sentences for aureus 

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 19 Feb. 2025.

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