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
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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 Marking key shifts Since 1990, the infection that caused the biggest increase was MRSA (methicillin-resistant S. aureus), a type of staph bacteria that has become resistant to some antibiotics. Melissa Rudy, Fox News, 17 Sep. 2024 The condition is triggered by Staphylococcus aureus bacteria (which thrive in moist environments, like inside the nostrils) or physical irritation (from nose blowing, say, or booger picking). Jenna Ryu, SELF, 1 Nov. 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 30 Jan. 2025.

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