• Webster's Revised Unabridged Dictionary
    • a Ferruginated Having the color or properties of the rust of iron.
    • ***
Century Dictionary and Cyclopedia
    • ferruginated Having the color or properties of iron-rust.
    • ***


Webster's Revised Unabridged Dictionary
See Ferrugo


In literature:

Its cousin, the ferruginous rough-leg, lives largely on ground-squirrels, rabbits, prairie-dogs and pouched gophers.
"Checking the Waste" by Mary Huston Gregory
Head testaceous-yellow, with the vertex ferruginous; the antennae fusco-ferruginous.
"Journal of the Proceedings of the Linnean Society - Vol. 3" by Various
At any rate, when it happened the ferruginous rock was already harder than the lava.
"Across Unknown South America" by Arnold Henry Savage Landor
Fusco-ferruginous: brownish rust red.
"Explanation of Terms Used in Entomology" by John. B. Smith
The body is dusky indigo blue; the tail and abdomen are ferruginous.
"Birds of the Indian Hills" by Douglas Dewar
The shore, composed of black broken rock of ferruginous appearance, shows traces of violent subterranean eruption.
"Celebrated Travels and Travellers" by Jules Verne
The =spores= are ferruginous brown, elliptical.
"Studies of American Fungi. Mushrooms, Edible, Poisonous, etc." by George Francis Atkinson
There are sandstones, shales, and grits, with ferruginous joints.
"British Borneo" by W. H. Treacher
Weathering of ferruginous limestone may produce residual iron and manganese ores in clay soils.
"The Economic Aspect of Geology" by C. K. Leith
The sporangia are at first black; after spore disposal pale ferruginous.
"The North American Slime-Moulds" by Thomas H. (Thomas Huston) MacBride
This ferruginous earth was as hard to break as stone.
"Peasant Tales of Russia" by V.I. Nemirovitch-Dantchenko
It is celebrated for its saline-ferruginous springs, discovered in 766, and since 1779 largely frequented in summer.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7" by Various
It rests on the ferruginous red rock of the Middle Lias.
"Edge Hill" by Edwin Walford
Ferruginous spotted white sandstone.
"In the Arctic Seas" by Francis Leopold McClintock
On a small, low island, northwest from Moose Island, I found the beach almost covered with fine black ferruginous sand.
"Forest Life and Forest Trees: comprising winter camp-life among the loggers, and wild-wood adventure." by John S. Springer
Its fragments show that it is a solid body, composed mostly of a ferruginous material.
"Nature and Culture" by Harvey Rice
Sandgate Beds (75-100 ft.) Ferruginous Sands (Shanklin sands).
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 5" by Various
All the under parts orange ferrugineous; throat and belly nearly white.
"Zoological Illustrations, Volume I" by William Swainson
A ferruginous limestone lies against the ore on the south side.
"A Report on Washington Territory" by William Henry Ruffner
The ferric hydrate is also readily deposited from ferruginous waters, often by means of organic agencies.
"Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 6" by Various

In news:

Ferruginous Hawk in the Raptor Free Flight Exhibition.
Forum member Dana Middleton of Mandan, North Dakota, took this remarkable photo of a juvenile Ferruginous Hawk.
Other prime attractions include Snowy Owl, Greater Prairie-Chicken, Ferruginous Hawk, and nesting Burrowing Owls.
Explorer file photo, The catcus ferruginous pygmy -owl, Tucson shovel-nosed snake (above) and Southwestern willow flycatcher are among the 13 species Marana seeks to protect with its habitat conservation plan.