ferrugine

== Italian == === Alternative forms === ferruggine === Etymology === Borrowed from Latin ferrūginem. === Noun === ferrugine m (plural ferrugini) ferric sulfate (when used as a mordant) rust ==== Related terms ==== ferro === Further reading === ferruggine in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana == Latin == === Noun === ferrūgine ablative singular of ferrūgō