Webster’s Revised Unabridged Dictionary · 1913
Rubigo
Ru·bi′go (rụ·bī′gō), n. [L. rubigo, robigo, rust of metals, rust, blight.] (bot.) same as Rust, n., 2.
Webster’s Revised Unabridged Dictionary · 1913
Ru·bi′go (rụ·bī′gō), n. [L. rubigo, robigo, rust of metals, rust, blight.] (bot.) same as Rust, n., 2.