Britannica
Encyclopedias since 1768  
ABCDEFGHIJKLMNOPQRSTUVWXYZ0-9
Feuillere, Edwige ... fibrinolysis
Feuillere, Edwige
French actress whose long career as a much loved and respected star of the French stage and screen saw her shine in a variety of roles, including classical, comedic, and sensual; among her most acclaimed stage performances was in the ...
Feuillet, Raoul-Auger
French dancer, dancing master, and choreographer whose dance notation system was published in his Choregraphie ou l'art de decrire la danse (1700; "Choreography, or the Art of Describing the Dance"). Working in Paris, he collaborated with Andre Lorin, conductor of ... [3 Related Articles]
Feurs
(from the article "Forez") former region of France lying on the eastern side of the Massif Central and included within the modern departement of Loire. The name is derived from that of Feurs (Forum Segusiavorum in Roman times), a town midway between Roanne and ...
fever
abnormally high bodily temperature or a disease of which an abnormally high temperature is characteristic. Although most often associated with infection, fever is also observed in other pathologic states, such as cancer, coronary artery occlusion, and disorders of the blood. ... [6 Related Articles]
feverfew
(from the article "Chrysanthemum") ...balsamita); pyrethrum (C. coccineum); Marguerite, or Paris daisy (C. frutescens); Shasta daisy (hybrid forms of C. maximum); florists' chrysanthemum (C. morifolium); feverfew (C. parthenium); corn marigold (C. segetum); and tansy (C. vulgare) are popular garden plants. Feverfew and pyrethrum are ...
Feversham, Louis de Durfort, 2nd earl of, Viscount Sondes Of Lees Court, Baron Duras Of Holdenby, Baron Of Throwley, Marquis De Blanquefort
French-born soldier who played a notable role in military and diplomatic affairs in England under Charles II and James II. [1 Related Articles]
feverwort
any of the four North American plant species of the genus Triosteum, all coarse perennials belonging to the family Caprifoliaceae. Several other species of the genus are East Asian. The common names feverwort, wild ipecac, and horse gentian resulted from ...
Fevin, Antoine de
(from the article "choral music") ...could usually count on being given adequate warning of a new commission. The meeting of Louis XII of France and Ferdinand V the Catholic of Castile at Savona in 1507, for which the French composer Antoine de Fevin wrote a ...
Fey, Tina
American comedian, writer, and actress whose work on the television shows Saturday Night Live (SNL; 1997-2006) and 30 Rock (2006- ) helped establish her as one of the leading women in ... [1 Related Articles]
Feydeau, Georges
French dramatist whose farces delighted Parisian audiences in the years immediately prior to World War I and are still regularly performed.
Feyder, Jacques
popular French motion-picture director of the 1920s and '30s whose films are imbued with a sympathy for the common man and an attempt at psychological interpretation of character. His sharp criticism of French social and political trends was subordinated to ...
Feyerabend, Paul Karl
(from the article "science, philosophy of") The historicist critique was initiated by the philosophers N.R. Hanson (1924-67), Stephen Toulmin, Paul Feyerabend (1924-94), and Thomas Kuhn. Although these authors differed on many points, they shared the view that standard logical-empiricist accounts of confirmation, theory, and other topics ...
Feynman diagram
a graphical method of representing the interactions of elementary particles, invented in the 1940s and '50s by the American theoretical physicist Richard P. Feynman. Introduced during the development of the theory of quantum electrodynamics as an aid for visualizing and ... [2 Related Articles]
Feynman, Richard P.
American theoretical physicist who was widely regarded as the most brilliant, influential, and iconoclastic figure in his field in the post-World War II era. [9 Related Articles]
Feyzabad
town, northeastern Afghanistan. It lies along the Kowkcheh River, at 4,000 feet (1,200 m) above sea level. Feyzabad was destroyed by Morad Beg of Qonduz in 1821 and its inhabitants removed to Qonduz, but, after Badakhshan was annexed by 'Abd ...
Feyzullah
(from the article "Mustafa II") ...in local revolts in eastern Anatolia and among the Arab tribes of Syria and Iraq. Disillusioned by the defeat at Senta, Mustafa left most matters of state to the leader of the Muslim hierarchy, Feyzullah, while he himself devoted his ...
fez
(from the article "hat") In India the so-called Gandhi cap (a type frequently seen on Prime Minister Jawaharlal Nehru), the fez, and variously styled turbans are in general use. In Latin America and in the southwestern United States, the sombrero-a high-crowned hat of felt ...
Fezzan
historic region of northern Africa and until 1963 one of the three provinces of the United Kingdom of Libya. It is part of the Sahara (desert) and now constitutes the southwestern sector of Libya. [1 Related Articles]
FF-1
(from the article "Grumman, Leroy Randle") ...later as a test pilot. Following World War I he worked for the Loening Aeronautical Engineering Corp., but in 1929 he founded the Grumman Aircraft Engineering Corporation on Long Island, N.Y. His FF-1, which entered service with the U.S. Navy ...
Ffrangcon-Davies, Dame Gwen
English actress who became a legend on the classical British stage during her 80-year-long acting career.
fiacre
French coach for hire, named for the Hotel Saint-Fiacre, in Paris, where it was introduced in the 1640s. The first fiacres were boxlike, four-wheeled, open, hooded vehicles that were drawn by three horses and were designed to navigate the muddy ...
Fialho de Almeida, Jose Valentim
Portuguese short-story writer and political essayist of the realist-naturalist period.
fiambre
(from the article "Guatemala") ...Day on November 1 with unique traditions: giant kites are flown in the cemeteries near Antigua Guatemala, and many Guatemalans feast on a traditional food known as fiambre, a salad made from cold cuts, fish, and vegetables. ...
Fiammetta
(from the article "Boccaccio, Giovanni") These years in Naples, moreover, were the years of Boccaccio's love for Fiammetta, whose person dominates all his literary activity up to the Decameron, in which there also appears a Fiammetta whose character somewhat resembles that of the Fiammetta of ...
Fianarantsoa
town, east-central Madagascar. The town was founded in 1830. It lies on the eastern fringe of a forested escarpment at an average elevation of 4,000 feet (1,200 m) and consists of upper and lower towns, surrounded by woodland. The town ...
fianchettoed bishop
(from the article "chess") ...1 e4 or 1 d4. Reti often began a game with 1 Nf3 and did not advance more than one pawn past the third before the middlegame had begun. Instead, he and the other Hypermoderns rediscovered the fianchetto, or development ...
Fianna Fail
the dominant political party in the Republic of Ireland since the 1930s. [14 Related Articles]
fiat money
(from the article "bank") The chief feature that distinguishes central banks from commercial banks is their ability to issue irredeemable or "fiat" paper notes, which in most nations are the only available form of paper currency and the only form of money having unlimited ...
Fiat SpA
international holding company and major Italian manufacturer of automobiles, trucks, and industrial vehicles and components. It is the largest family-owned corporation in Italy. Headquarters are in Turin. [13 Related Articles]
Fibiger, Johannes
Danish pathologist who received the Nobel Prize for Physiology or Medicine in 1926 for achieving the first controlled induction of cancer in laboratory animals, a development of profound importance to cancer research.
Fibonacci generator
(from the article "cryptology") One class of electronic devices that function similar to rotors is the Fibonacci generator (also called the Koken generator after its inventor), named for the Fibonacci sequence of number theory. In the classical Fibonacci sequence 1, 1, 2, 3, 5, ...
Fibonacci numbers
the elements of the sequence of numbers 1, 1, 2, 3, 5, 8, 13, 21, &elipsis;, each of which, after the second, is the sum of the two previous numbers. These numbers were first noted by the medieval Italian mathematician ... [4 Related Articles]
fibre
(from the article "sclerenchyma") ...of support in plants. Mature sclerenchyma cells are dead cells that have heavily thickened walls containing lignin. Such cells occur in many different shapes and sizes, but two main types occur: fibres and sclereids. Fibres are greatly elongated cells whose ...
fibre
(from the article "respiration, human") ...alveolar wall, called the interalveolar septum, is common to two adjacent alveoli. It contains a dense network of capillaries, the smallest of the blood vessels, and a skeleton of connective tissue fibres. The fibre system is interwoven with the capillaries ...
fibre
(from the article "nutritional disease") ...family), contain sulforaphane and other compounds known as isothiocyanates, which induce enzymes that detoxify carcinogens and have been demonstrated to protect against cancer in animal studies. Dietary fibre in plant foods may also be protective: it dilutes potential carcinogens, binds ...
fibre
in textile production, basic unit of raw material having suitable length, pliability, and strength for conversion into yarns and fabrics. A fibre of extreme length is a filament. Fibres can occur naturally or can be produced artificially. See Man-Made Fibres; ... [3 Related Articles]
fibre bundle
(from the article "mathematics") ...possible values. Because a vector space is attached at each point, the theory is called the theory of vector bundles. Other kinds of space may be attached, thus entering the more general theory of fibre bundles. The subtle and vital ...
fibre optics
the science of transmitting data, voice, and images by the passage of light through thin, transparent fibres. In telecommunications, fibre optic technology has virtually replaced copper wire in long-distance telephone lines, and it is used to link computers within local ... [6 Related Articles]
fibre, man-made
fibre whose chemical composition, structure, and properties are significantly modified during the manufacturing process. Man-made fibres are spun and woven into a huge number of consumer and industrial products, including garments such as shirts, scarves, and hosiery; home furnishings such ... [11 Related Articles]
fibre-optic cable
(from the article "erbium") ...rare-earth metal of the lanthanoid series of the periodic table. Erbium is a grayish silver element that also occurs as a series of pink compounds. It had limited commercial uses until the age of fibre-optic telecommunications, when it became an ...
fibre-optic endoscope
(from the article "endoscopy") Fibre-optic endoscopes are pliable, highly maneuverable instruments that allow access to channels in the body that older, semirigid instruments cannot access at all or can access only at great discomfort to the patient. Composed of multiple hairlike glass rods bundled ...
fibre-optic gyroscope
(from the article "gyroscope") ...photoelectric cells. The patterns of all three rings are then numerically integrated in order to determine the turning rate of the craft in three dimensions. Another type of optical gyroscope is the fibre-optic gyroscope, which dispenses with hollow tubes and ...
fibreboard
(from the article "Wood production by region") Fibreboard drums have been produced since early in the 20th century. They are made with ends of steel or paperboard in sizes up to 75 gallons and are cheap and lightweight. They are commonly resin-coated or lined with loose plastic ...
fibreglass
fibrous form of glass that is used principally as insulation and as a reinforcing agent in plastics. [13 Related Articles]
fibrillar muscle
(from the article "muscle") ...rhythm of contraction. The leg muscles of all insects, and the wing muscles of many, require action potentials to initiate every contraction; however, the wing muscles of other insects consist of fibrillar muscle, which requires only occasional action potentials to ...
fibrin
an insoluble protein that is produced in response to bleeding and is the major component of the blood clot. Fibrin is a tough protein substance that is arranged in long fibrous chains; it is formed from fibrinogen, a soluble protein ... [4 Related Articles]
fibrin clot
(from the article "bleeding and blood clotting") ...to participate in blood coagulation upon tissue injury. Blood-clotting proteins generate thrombin, an enzyme that converts fibrinogen to fibrin, and a reaction that leads to the formation of a fibrin clot.
fibrin-stabilizing factor XIII
(from the article "drug") ...the conversion of the soluble fibrinogen to soluble fibrin under the influence of the enzyme thrombin (factor IIa). Soluble fibrin is converted to insoluble fibrin strands by activated factor XIII (fibrin-stabilizing factor), and covalent cross-linkages form between the fibrin strands ...
fibrinogen
(from the article "Laboratory diagnosis of coagulation disorders") Plasma contains 6-8 percent proteins. One critical group is the coagulation proteins and their inhibitors, synthesized primarily in the liver. When blood clotting is activated, fibrinogen circulating in the blood is converted to fibrin, which in turn helps to form ...
fibrinoid
(from the article "connective tissue disease") ...the lungs). The walls of inflamed blood vessels, portions of which may become necrotic (i.e., may die), are often found to contain characteristic deposits of hyaline (translucent) material called fibrinoid because staining with dyes (e.g., eosin) reveals tinctorial properties similar ...
fibrinolysis
(from the article "bleeding and blood clotting") ...that underlies the endothelial cell. Later, normal healing of the wound occurs. The platelets subsequently degenerate into an amorphous mass and after several days, the fibrin itself is dissolved (fibrinolysis) by an enzyme, plasmin. The fibrin clot is replaced by ...
© 2006 Encyclopædia Britannica Australia Ltd
Encyclopedia Home | World Atlas