Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Of, containing, or similar to iron.
- adj. Having the color of iron rust; reddish-brown.
Century Dictionary and Cyclopedia
- Of the color of iron-rust; light reddish brown.
- Of the nature of or containing iron.
Wiktionary
GNU Webster's 1913
- adj. Partaking of iron; containing particles of iron.
- adj. Resembling iron rust in appearance or color; brownish red, or yellowish red.
Etymologies
- From Latin ferrūginus, from ferrūgō, ferrūgin-, iron rust, from ferrum, iron.
Examples
“Much more recently the idea of ferruginous particles has been revived, their presence being ascribed not to volcanoes, but to the meteorites constantly being dissipated in the upper atmosphere.”
A History of Science: in Five Volumes. Volume III: Modern development of the physical sciences
“The series in America corresponding to this, entitled the ferruginous sand formation, presents fossils generally identical with those of”
“The kind of ferruginous pavement of the boulder-clay known to the agriculturist as _pan_, which may be found extending in some cases its iron cover over whole districts, -- sealing them down to barrenness, as the iron and brass sealed down the stump of Nebuchadnezzar's tree, -- is, like the white strips and blotches of the deposit, worthy the careful notice of the geologist.”
“When a company called Ausra filed plans for a big solar power plant in California, it was deluged with demands from a union group that it study the effect on creatures like the short-nosed kangaroo rat and the ferruginous hawk.”
“Stuffed birds in flight - roseate spoonbills, a great blue heron, a ferruginous hawk - fill another case.”
“Their animal of concern was the cactus ferruginous pygmy owl.”
Freakonomics in the Times Magazine: Unintended Consequences - Freakonomics Blog - NYTimes.com
“The plain has coarse, well-drained, generally ferruginous and relatively infertile soils.”
Manovo-Gounda-St Floris National Park, Central African Republic
“The area supports a number of species locally threatened or at their biogeographic limits, including golden eagle Aquila chrysaetos, prairie falcon Falco mexicanus, ferruginous hawk Buteo regalis, loggerhead shrike Lanius ludovicianus, merlin Falco columbarius, Brewers sparrow Spizella breweri and grasshopper sparrow Ammodramus savannarum.”
“The numerous raptors here include Swainson's hawk, ferruginous hawk, rough-legged hawk, red-tailed hawk, marsh hawk, prairie falcon, great horned owl, and burrowing owl.”
“Raptors include the golden eagle, great horned owl, red-tailed hawk, ferruginous hawk, and the rare zone-tailed hawk.”
Lists
These user-created lists contain the word ‘ferruginous’.
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Irony
A list about iron, irons, and irony.
iron, irons, irony, Jeremy Irons, ferritin, ferruginous duck, ferruginous, ironing, hematite, limonite, magnetite, taconite and 142 more...
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Archaic Colours
Words for colours that have fallen out of use.
aeneous, croceate, cretaceous, cramoisy, corbeau, coquelicot, coccineous, claret, cinerious, chrysochlorous, chlorochrous, cesious and 128 more...
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Adjectival Arcana
A roster of adjectives that infrequently surface in typical conversation and writing. Many are dredged from scientific or other technical jargon or sieved from examples of disused archaic forms.
unitegmic, acaulescent, reticuloendothelial, ingressive, uniate, acanthopterygian, ossific, epiphysial, perivisceral, acœlomatous, cestoid, acælomate and 7762 more...
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Logolepsy
"Luciferous Logolepsy is a collection of over 9,000 obscure English words. Though the definition of an 'English' word might seem to be straightforward, it is not. There exist so many adopted, deriv...
Anschauung, Areopagus, Argus, Briarean, Dei gratia, Dei judicium, Deo volente, Duecento, Foehn, Geflugelte Worte, Gegenschein, Hakenkreuz and 9230 more...
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-ginous
scaturiginous, imaginous, favaginous, perliginous, ferruginous, lanuginous, lentiginous, mucilaginous, plumbaginous, ambaginous, fuscoferuginous, rubiginous and 12 more...
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Words that should be heard in songs more often
Inspired by PossibleUnderscore's list of words overused in modern pop music.
giant squid, bamboo, colonic, herbivore, raptor, dodecahedron, largesse, sinuses, dim sum, carburetor, transubstantiation, wife and 54 more...
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mycological hues
rubescent, lutescent, cinereous, avellaneous, fuscous, fulvous, sordid, lurid, livid, ochre, ochraceous, vinaceous and 6 more...

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