Meaning

2 senses
  1. Synonym of verdigrisy, of or related to copper carbonate, bluish green.

    There was definitely some aeruginous material on that door handle.

  2. (archaic)Synonym of rusty, of or related to iron oxides.

Origin

From Medieval Latin aerūginōsus (“rust-colored”) directly and via Middle French erugineux

From Medieval Latin aerūginōsus (“rust-colored”) directly and via Middle French erugineux (“verdigris-colored”), from Latin aerūginōsus (“rusty”), from aerūgō (“rust”) + -ōsus (“-ose: forming adjectives”), from aes (“copper, bronze, brass”) + -ūgō (“forming nouns related to thin coatings or coverings”).

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Forms

more aeruginous, most aeruginous
Comparativemore aeruginous Lesson
Superlativemost aeruginous Lesson

regular

Synonyms

5 synonyms
rustyB2verdigrisyof or related to copper carbonatebluish greenof or related to iron oxides

See also

neighbours in the dictionary
aeruginous — meaning, examples, forms, synonyms | Krumeto