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aeruginous

adjective
ae·​ru·​gi·​nous | \ ē-ˈrü-jə-nəs, i-, ī-\
variants: or less commonly eruginous \ ē-​ˈrü-​jə-​nəs , i-​ , e-​ \

Definition of aeruginous

: having the characteristics of or the color of verdigris

First Known Use of aeruginous

15th century, in the meaning defined above

History and Etymology for 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

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