Here you will find one or more explanations in English for the word Rubiginous.
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Rubiginous
Rubiginose Ru*big"i*nose`, Rubiginous Ru*big"i*nous, a. [L.
rubiginosus, fr. rubigo, robigo, rust: cf. F. rubigineux.]
(Bot.)
Having the appearance or color of iron rust; rusty-looking.
Meaning of Rubiginous from wikipedia