patina

This article's English may not be simple

The English used in this entry may not be easy for everybody to understand. You can help by making this page simpler.

Pronunciation

• (UK) IPA ^(key): /ˈpætɪnə/
• (US) IPA ^(key): /pəˈtiː.nə/ or /ˈpæ.tɪ.nə/

Noun

Singular patina

Plural patinas

1. (chemistry) Patina is a coating of various chemical compounds such as oxides or carbonates formed on the surface of metal during exposure to weathering.