aureus

American

[awr-ee-uhs] / ˈɔr i əs /

noun

plural

aurei

a gold coin and monetary unit of ancient Rome, from Caesar to Constantine I.

aureus British

/ ˈɔːrɪəs /

noun

a gold coin of the Roman Empire

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of aureus

1600–10; < Latin: literally, golden

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The team showed the vaccine also protects against two species of bacteria - Staphylococcus aureus and Acinetobacter baumannii.

From BBC • Feb. 19, 2026

Vaccines currently in development for Staphylococcus aureus infections, including MRSA, might have the side effect of fighting atopic dermatitis, cellulitis and impetigo — maybe even acne.

From Salon • Jul. 12, 2025

A similar process occurs in human patients during interactions between the pathogenic bacterium Staphylococcus aureus and human immune cells.

From Science Daily • Nov. 27, 2024

In tests with E. coli and S. aureus, the bacterium that causes staph infection, the hydrogel damaged bacteria cell membranes and led to bacterial cell death.

From Science Daily • Apr. 2, 2024

For comparisons with Thomomys bottae aureus and T. b. dissimilis see accounts of those forms.

From The Pocket Gophers (Genus Thomomys) of Utah, Vol. 1 No. 1 Kansas University Publications. by Durrant, Stephen D.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023