aureus

American

[awr-ee-uhs] / ˈɔr i əs /

noun

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

Other Word Forms

Noun Inflected Forms

aurei

plural

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.

LimmaTech is developing vaccines against bacterial pathogens including Staphylococcus aureus.

From The Wall Street Journal • May 26, 2026

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

In the latest paper, Huang announced several discoveries that will help the development of a carbohydrate-based vaccine for infections caused by Staphylococcus aureus and its "superbug" relative methicillin-resistant Staphylococcus aureus, or MRSA.

From Science Daily • Apr. 24, 2024

The topotypes of T. b. aureus are mostly pale; some, however, are dark.

From Geographic Variation in the Pocket Gopher, Thomys bottae, in Colorado by Youngman, Phillip M.

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