aerugo
/əˈruːɡəʊ/noun
The patina that copper and brass acquire with age; verdigris. Occasionally more widely: an analogous coating on any metal.
Origin
Late Middle English (in an earlier sense). From classical Latin aerūgō verdigris, in post-classical Latin also mildew of plants from aer-, aes brass + -ūgō, suffix forming nouns.
- extolment
- extort
- extorter
- extortion
- extortionate
- extortionately
- extortioner
- extortionist
- extortive
- extra
- extra-
- extra-base hit
- extracellular
- extracellularly
- extrachromosomal element
- extrachromosomally
- extraconstitutional
- extracorporeal
- extra cover
- extract
- extractability
- extractable
- extraction
- extractive
- extractor