adjective ae·ru·gi·nous \ē-ˈrü-jə-nəs, i-, ī-\
variants: less commonly


\ē-ˈrü-jə-nəs, i-, e-\

Definition of aeruginous

  1. :  having the characteristics of or the color of verdigris

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Origin and Etymology of aeruginous

Middle English eruginose, borrowed from Anglo-French & Latin; Anglo-French erugineuse, borrowed from Latin aerūginōsus “covered with verdigris, rusty,” from aerūgin-, aerūgō “verdigris” + -ōsus -ous — more at aerugo

First Known Use: 15th century

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