follow Dictionary.com

Is it awhile or a while? Find out

aureus

[awr-ee-uh s] /ˈɔr i əs/
noun, plural aurei
[awr-ee-ahy] /ˈɔr iˌaɪ/ (Show IPA)
1.
a gold coin and monetary unit of ancient Rome, from Caesar to Constantine I.
Origin
1600-1610
1600-10; < Latin: literally, golden
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for aureus
  • Other health threats, such as antibiotic-resistant strains of staphylococcus aureus, have emerged from pig farms as well.
  • Most carbuncles are caused by the bacteria staphylococcus aureus.
British Dictionary definitions for aureus

aureus

/ˈɔːrɪəs/
noun (pl) aurei (ˈɔːrɪˌaɪ)
1.
a gold coin of the Roman Empire
Word Origin
Latin: golden; see aureate
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
Cite This Source
Encyclopedia Article for aureus

basic gold monetary unit of ancient Rome and the Roman world. It was first named nummus aureus ("gold money"), or denarius aureus, and was equal to 25 silver denarii; a denarius equaled 10 bronze asses. (In 89 BC, the sestertius, equal to one-quarter of a denarius, replaced the bronze ass as a unit of account.) In Constantine's reform of AD 312, the aureus was replaced by the solidus as the basic monetary unit

Learn more about aureus with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for aureus

Many English speakers likely know this word

Word Value for aureus

6
8
Scrabble Words With Friends