Help Wordnik hunt for a million missing words by backing our Kickstarter!


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. pertaining to the nature or substance of copper
  • adj. resembling the greenish colour of copper rust

from the GNU version of the Collaborative International Dictionary of English

  • adj. Partaking of the substance or nature of copper, or of the rust of copper; resembling the rust of copper or verdigris; æruginous.

from The Century Dictionary and Cyclopedia

  • See æruginous.


From Middle French erugineux, from Latin aerūginōsus ("rusty"). (Wiktionary)


Sorry, no example sentences found.


Log in or sign up to get involved in the conversation. It's quick and easy.