/ˌɛərɪˈɡɪnəs/ i-ər-ɪ-GI-nəs

Definitions

1. adjective

Having a reddish-brown or yellowish-brown color resembling rust, especially because of oxidation.

“The aeruginous patina on the old bronze statue is a testament to its age.”

2. noun

A reddish-brown or yellowish-brown color resembling rust, especially because of oxidation.

“The artist used a range of colors, including various shades of aeruginous, to create the painting’s unique palette.”