| 单词 | ferruginous | 
| 释义 | ferruginousadj. 1.   a.  Resembling iron rust in colour; reddish brown. ΘΚΠ the world > matter > colour > named colours > red or redness > 			[adjective]		 > brownish-red rustya1398 hepaticc1420 horseflesh1530 rubiginousa1538 iron1587 bricky1615 ferrugineous1633 sand-reda1639 brickish1648 ferruginous1656 lateritious1656 brick-coloured1675 blood bay1684 testaceous1688 rust-coloureda1691 brick-red1740 brick-dust-like1765 maroon1771 rufous1782 brick-dusty1817 rusted1818 worm red1831 brownish-red1832 brown-red1835 foxy1850 rust1854 henna-coloured1865 chestnut-red1882 terra-cotta1882 copper-red1883 fox-red1910 oxblood1918 tony1921 henna-brown1931 henna-red2002 1656    T. Blount Glossographia  				Ferruginous, like to, or of the colour of rusty iron. 1766    T. Pennant Brit. Zool.  i. 50  				The whole upper part of the body, is of a ferruginous color. 1789    A. Mills in  Philos. Trans. 		(Royal Soc.)	 80 93  				The water..tinges the sides of a ferruginous hue. 1870    J. D. Hooker Student's Flora Brit. Islands 462  				Root~stock..clothed with broad ferruginous scales. 1912    W. G. Smith in  Man 12 197  				It [sc. flint] is white in colour, but in parts very slightly stained ferruginous from adjacent red clay. 1992    Coleopterists Bull. 46 113  				Posterior margin of fronts narrowly black; antennae ferruginous. 2011    Independent Extra 		(Nexis)	 10 Mar. 20  				You can easily imagine one of those tiny animated drones..rushing through a swag of boiling, ferruginous clouds.  b.  In the names of animals, plants, and minerals.Recorded earliest in ferruginous duck n. at  Compounds. ΚΠ 1768    T. Pennant Brit. Zool. 		(new ed.)	 II.  ii. 471 		(heading)	  				The ferruginous duck. 1827    E. Griffith et al.  Cuvier's Animal Kingdom V. 106  				Ferruginous Tupaia. 1847    J. Craig New Universal Dict.  				Ferruginous opal, or Jasper opal. 1861    A. Pratt Flowering Plants & Ferns Great Brit. V. 95  				Ferruginous Sallow. 1907    King's Royal Rifle Corps Chron. 1906 94  				Among the different varieties shot were:..mallard, widgeon, pintail, gadwall, golden eye, ferruginous pochard, red crested pochard [etc.]. 1969    D. F. Costello Prairie World 		(1975)	 x. 186  				Some of these..are only partially migratory, as are the green-winged teal..and the ferruginous rough-leg. 2010    C. Gooddie Jewel Hunter x. 183  				The delicate peachy wash on the underparts contrasting with the cold, pencil-grey tones of the head told me that it was a Ferruginous Flycatcher.  2.   a.  Of, relating to, or of the nature of iron rust; (frequently of mineral springs, soils, etc.) containing hydrated iron oxides. ΘΚΠ the world > the earth > minerals > mineral sources > 			[adjective]		 > yielding a mineral or metal > iron ironya1382 ferreous1646 ferruginous1659 ferrugineous1671 ironized1780 iron-shot1794 ferriferous1796 1659    tr.  R. Fludd Mosaicall Philos.  ii. ii. iv. 218  				The Load-stone..may in some sort be esteemed dead, because it is divided from his ferruginous vein [L. a vena sua ferruginosa] in the earth. a1661    T. Fuller Worthies 		(1662)	 Bristol 34  				The Water thereof runneth through some Mineral of Iron, as appeareth by the rusty ferruginous taste. 1685    R. Boyle Short Mem. Hist. Mineral Waters i. 13  				Mineral waters, especially Ferruginous ones. 1792    A. Young Trav. France 290  				Franche Compté abounds with red ferruginous loams. 1871    Daily News 21 Sept.  				A very insignificant ferruginous spring was the only one they came across. 1954    J. F. Kirkaldy Gen. Princ. Geol. xix. 286  				The water..may be too ferruginous, a common cause of iron mould. 1986    Country Quest July 14/1  				The neck and shoulders of stoneware bottles are often coloured with a brown or blue ferruginous slip. 2001    Oxoniensia 65 161  				The area lies over oolite and marlstone beds capped by ferruginous, sandy and coarse loamy soils.  b.  Containing iron as a chemical constituent. ΚΠ 1778    J. Aikin tr.  A. Beaumé Man. Chem. 161  				If the alkali contains never so little earth, the ferruginous precipitate [Fr. précipité ferrugineux] only dissolves in very small quantity. 1807    T. Thomson Syst. Chem. 		(ed. 3)	 II. 342  				Ferruginous prussiate of potash. 1834    M. Somerville On Connexion Physical Sci. xxx. 319  				A ferruginous body acquires polarity by the approach of either the south or north pole of a magnet. 1871    J. S. Blackie Four Phases Morals  i. 122  				The variations of the magnetic needle near ferruginous rocks. 1906    Westm. Gaz. 29 Aug. 2/2  				The hæmoglobin of the blood of the chick is formed by certain cyanic ferruginous compounds. 1995    Compar. Biochem. & Physiol. 112 487  				This expansion retains ferruginous compounds and globin polypeptides. Compounds  ferruginous duck  n. a Eurasian diving duck,  Aythya nyroca, the male of which has rich chestnut plumage with a dark back and pale eyes. ΚΠ 1768Ferruginous duck [see sense  1b].							 1828    J. Stark Elements Nat. Hist. I. 321  				Ferruginous duck... Plumage dark olivaceous, with the head, neck, and breast chestnut; bill long; iris white. 1910    A. Chapman  & W. L. Buck Unexplored Spain vii. 190  				These ducks breed in numbers at Daimiel, as do also mallards, garganey, and ferruginous ducks. 1977    S. Cramp Handbk. Birds Europe, Middle East & N. Afr. I. 571  				Aythya nyroca Ferruginous Duck (White-eyed Pochard). 2012    Birdwatch Apr. 57/1  				As well as raptors, other species in the area should include wetland specialities like Ferruginous Duck.   ferruginous hawk  n. a large hawk,  Buteo regalis, of inland grasslands and shrub steppes in North America, occurring in a pale colour morph (which has rusty brown upperparts) and a dark morph (which is chiefly dark brown). ΚΠ 1875    Ann. Rep. Chief of Engineers to Secretary of War 		(U.S.)	  ii. 1197  				Archibuteo ferrugineus, Licht. Ferruginous Hawk. This handsome bird is abundant on the plains. 1976    D. Blood Rocky Mountain Wildlife  i. ii. 146  				The typical, widespread buteo of the Rockies is the red-tailed hawk, but others such as Swainson's or ferruginous hawks can be found in particular habitats. 2004    Nature Conservancy Fall 28 		(sidebar)	  				Buteo regalis, the ferruginous hawk, is the raptorial icon of the Western grasslands.   ferruginous pygmy owl  n. a pygmy owl,  Glaucidium brasilianum, found from the southern United States to Argentina, and varying from predominantly greyish to rust brown in colour. ΚΠ 1886    Code Nomencl. & Check-list N. Amer. Birds 		(Amer. Ornithologists' Union)	 205  				Glaucidium Phalænoides Ferruginous Pygmy Owl. Strix phalœnoides. 1990    Birder's World Aug. 11/1  				The monotonous ‘took-took-took’ of the Ferruginous Pygmy-Owl takes over. 2005    T. E. Corman  & C. Wise-Gervais Arizona Breeding Bird Atlas 219/1  				Young Ferruginous Pygmy-Owls disperse from their natal areas approximately 45-65 days following nest departure. Derivatives  feˈrruginousness  n. rare the state or quality of being ferruginous. ΚΠ 1727    N. Bailey Universal Etymol. Eng. Dict. II  				Ferruginousness, being like, or of the Nature of, rusty Iron. 1922    Internat. Med. & Surg. Surv. 3 No. 4.  v. 839  				Those qualities of the hemoglobin which have a constant relation to its coloring capacity..are: (1) The ferruginousness, [etc.]. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < | 
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