model of the mid-latitude segment of the Earth's wind circulation, proposed by William Ferrel (1856). In the Ferrel cell, air flows poleward and eastward near the surface and Equatorward and westward at higher altitudes; this movement is the reverse of ...
American actor and director, who was perhaps best known for his Academy Award-winning performance in the title role of the film Cyrano de Bergerac (1950) and for his portrayal of Henri de Toulouse-Lautrec in
iron-rich duricrust, an indurated, or hardened, layer in or on a soil. Soil particles are cemented together by iron oxides (such as Fe2O3) precipitated from the groundwater to form an erosion-resistant layer. Often the soil covering is eroded from the ...
hydrated aluminosilicate mineral, one of the members of the zeolite family present in sedimentary rocks. The chemical composition of ferrierite is approximately (Na,K)2(Ca,Mg)2Al6Si30O72·18H2O; it forms colourless, platy crystals of orthorhombic symmetry. The original specimen of the mineral was found in ...
type of permanent magnetism that occurs in solids in which the magnetic fields associated with individual atoms spontaneously align themselves, some parallel, or in the same direction (as in ferromagnetism), and others generally antiparallel, or paired off in opposite directions ...
public, coeducational institution of higher learning in Big Rapids, Mich., U.S. An "applied polytechnic university," Ferris State consists of the Colleges of Allied Health Sciences, Arts and Sciences, Business, Education, Optometry, Pharmacy, and Technology. It offers over 100 undergraduate programs, ...
a ceramic-like material with magnetic properties that are useful in many types of electronic devices. Ferrites are hard, brittle, iron-containing, and generally gray or black and are polycrystalline-i.e., made up of a large number of small crystals. They are composed ...
island, Santa Cruz de Tenerife provincia (province), Canary Islands comunidad autonoma (autonomous community), Spain, the westernmost and smallest of the Canary Islands in the North Atlantic Ocean. Ferro, the most westerly place known to ...
an alloy of iron (less than 50 percent) and one or more other metals, important as a source of various metallic elements in the production of alloy steels. The principal ferroalloys are ferromanganese, ferrochromium, ferromolybdenum, ferrotitanium, ferrovanadium, ferrosilicon, ferroboron, and ...
the earliest and best known of the so-called sandwich compounds; these are derivatives of transition metals in which two organic ring systems are bonded symmetrically to the metal atom. Its molecular formula is (C5H5)2Fe.
alloy of chromium with 30 to 50 percent iron, used to incorporate chromium into steel. It is produced in an electric furnace using chromium ore, iron or iron ore, and carbon, usually anthracite coal. In the intense heat the carbon ...
property of certain nonconducting crystals, or dielectrics, that exhibit spontaneous electric polarization (separation of the centre of positive and negative electric charge, making one side of the crystal positive and the opposite side negative) that can be reversed in direction ...
physical phenomenon in which certain electrically uncharged materials strongly attract others. Two materials found in nature, lodestone (or magnetite, an oxide of iron, Fe3O4) and iron, have the ability to acquire such attractive powers, and they are often called natural ...
largest railway system of Italy. FS operates lines on the mainland and also on the islands of Sicily and Sardinia, which are linked to the mainland by train ferries. The Italian railway system was nationalized in 1905. In 1986 its ...
Florentine military leader who defended his native city in the last days of the republic of Florence against Pope Clement VII and Holy Roman emperor Charles V, who sought to restore the deposed Medici family. A statue of this popular ...
French statesman of the early Third Republic, notable both for his anticlerical education policy and for his success in extending the French colonial empire.
village, southeastern Newfoundland, Canada. It lies on the eastern side of the Avalon Peninsula, about 40 miles (65 km) south of St. John's. First visited by Portuguese and French fishermen early in the 16th century, it was named Ferryland, probably ...
Swedish-French soldier, diplomat, and statesman who was active in counterrevolutionary activity after the French Revolution of 1789 and the rise of Napoleon.
the region in the Middle East where the civilizations of the Middle East and the Mediterranean basin began. The term was popularized by the American Orientalist James Henry Breasted.
respectively, the ability and inability of a human couple to conceive and reproduce. Fertility refers to the ability to become pregnant through normal sexual activity, and infertility is defined as the failure to conceive after one year of regular intercourse ...
union of a spermatozoal nucleus, of paternal origin, with an egg nucleus, of maternal origin, to form the primary nucleus of an embryo. In all organisms the essence of fertilization is, in fact, the fusion of the hereditary material of ...
natural or artificial substance containing the chemical elements that improve growth and productiveness of plants. Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.
agricultural commune, Gyor-Sopron megye (county), western Hungary. It lies near the south end of Ferto (German: Neusiedler) Lake on the Austrian frontier. It was a seat of the Esterhazy princes, who were among the leading landed gentry of Hungary. At ...
city, northern Morocco, on the Wadi Fes just above its influx into the Sebou River. The oldest of Morocco's four imperial cities, it was founded on the banks of the Wadi Fes by Idris I (east bank, about 789) and ...
early native Italian jocular dialogue in Latin verse. At vintage and harvest, and probably at other rustic festivals, these were sung by masked dancers. They were similar to ribald wedding songs. It is clear from the literary imitations by Catullus ...
any of about 100 species of grasses constituting the genus Festuca (family Poaceae), native to temperate and cold regions of the Northern Hemisphere. Several species are important pasture and fodder grasses, and a few are used in lawn mixtures.
Latin grammarian who made an abridgment in 20 books of Marcus Verrius Flaccus' De significatu verborum ("On the Meaning of Words"), a work that is otherwise lost. A storehouse of antiquarian learning, it preserves by quotation the work of other ...
Russian poet and translator, whose sincere and passionate lyric poetry strongly influenced later Russian poets, particularly the Symbolist Aleksandr Blok.
fresh, white, soft or semisoft cheese of Greece, originally made exclusively from goat's or sheep's milk but in modern times containing cow's milk. Feta is not cooked or pressed but is cured briefly in a brine solution that adds a ...
various congenital abnormalities in the newborn infant that are caused by the mother's ingestion of alcohol around the time of conception or during pregnancy.
area of ocean or lake surface over which the wind blows in an essentially constant direction, thus generating waves. The term also is used as a synonym for fetch length, which is the horizontal distance over which wave-generating winds blow. ...
(French: "rural feast"), in painting, representation of a rural feast or open-air entertainment. Although the term fete galante ("gallant feast") is sometimes used synonymously with fete champetre, it is also used to refer to a specific kind of fete champetre: ...
town, southwestern Turkey. It lies along a sheltered bay in the eastern part of the Gulf of Fethiye on the Mediterranean Sea that is backed by the western Taurus ranges. Fethiye's enlarged port is an outlet for the minerals and ...
any of a body of 20 Roman priestly officials who were concerned with various aspects of international relations, such as treaties and declarations of war. The fetials were originally selected from the most noble families; they served for life, but, ...
