Definition of ferruginous
1 : of, relating to, or containing iron <a ferruginous soil>
2 : resembling iron rust in color
Origin of ferruginous
Latin ferrugineus, ferruginus, from ferrugin-, ferrugo iron rust, from ferrum
First Known Use: circa 1661
Medical Definition of ferruginous
1: of, relating to, or containing iron
2: resembling iron rust in color
Learn More about ferruginous
Medical Dictionary: Definition of "ferruginous"
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