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Webster 1913 Edition

Adj.

[Cf. F.

érugineux

. See

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

Adj.

[L. aeruginosus, from aerugo, rust.]

Partaking of the substance or nature of copper or the rust of copper; resembling rust.

eruginous ‎(comparative more eruginous, superlative most eruginous)