English Reference

Word

aureus

Phoneticsau·reus

US/ˈɔˌɹɛəs/

UK/ˈɔːɹɪəs/

Definition

n. a type of gold coin used in ancient Rome. It was the main money for paying taxes and buying expensive things.

n. a gold coin of ancient Rome, typically weighing about 8 grams. Often used in the context of historical numismatics or literary references to Roman currency.

Examples

“The archaeologists found a gold aureus in the temple ruins.”

“In the museum's collection, a single gold aureus is displayed alongside other Roman coins to show the empire's economic power.”

Examples

simple

“The archaeologists found a gold aureus in the temple ruins.”

contextual

“In the museum's collection, a single gold aureus is displayed alongside other Roman coins to show the empire's economic power.”

Real-World Examples

Common in science writing

“Higher levels of antibodies targeting common microbes, including Staphylococcus aureus, RSV and human respirovirus 3, were associated with stronger responses to COVID-19 vaccines.”
ScienceDaily · 21 Aug 2026
“It also exhibited significantly stronger antibacterial activity against common pathogenic strains, including Escherichia coli, Salmonella enterica and Staphylococcus aureus.”
Phys.org · 19 Aug 2026

Etymology

From Latin aureus (“golden; gold coin equivalent to 25 denarii”), noun use of adjective, from aurum (“gold”). Doublet of eyrir, öre, øre, and oyra.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
C2 · Proficiency
Frequency
Occasional
Updated

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English Reference