Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of ferruginous is as below...

Ferruginous :: Ferruginous (a.) Resembling iron rust in appearance or color; brownish red, or yellowish red..

Argillo-ferruginous :: Argillo-ferruginous (a.) Containing clay and iron.

Ferrugineous :: Ferrugineous (a.) Ferruginous.

Sinople :: Sinople (n.) Ferruginous quartz, of a blood-red or brownish red color, sometimes with a tinge of yellow..

Beauxite :: Beauxite (n.) A ferruginous hydrate of alumina. It is largely used in the preparation of aluminium and alumina, and for the lining of furnaces which are exposed to intense heat..

Sinopite :: Sinopite (n.) A brickred ferruginous clay used by the ancients for red paint.

Cascalho :: Cascalho (n.) A deposit of pebbles, gravel, and ferruginous sand, in which the Brazilian diamond is usually found..

Marmatite :: Marmatite (n.) A ferruginous variety of shalerite or zinc blende, nearly black in color..

Ferruginous :: Ferruginous (a.) Partaking of iron; containing particles of iron.

Nigrine :: Nigrine (n.) A ferruginous variety of rutile.

Ochre :: Ochre (n.) A impure earthy ore of iron or a ferruginous clay, usually red (hematite) or yellow (limonite), -- used as a pigment in making paints, etc. The name is also applied to clays of other colors..

Gossan :: Gossan (n.) Decomposed rock, usually reddish or ferruginous (owing to oxidized pyrites), forming the upper part of a metallic vein..

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