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F ... factor
F
(from the article "Romance languages") ...may not have had phonemic status (in spite of the pair annus/agnus 'year'/'lamb,' in which ...
F region
highest region of the ionosphere, at altitudes greater than 160 km (100 miles); it has ... [3 Related Articles]
F ring
(from the article "Saturn") ...radii lies the extremely tenuous D ring, which has no measurable effect on starlight or ...
F-100
U.S. Air Force jet fighter aircraft, the first operational fighter to exceed the speed of ... [3 Related Articles]
F-102 Delta Dagger
(from the article "military aircraft") ...included the first fighters intended from the outset to carry guided air-to-air missiles and the ...
F-104
jet day fighter aircraft built by Lockheed Aircraft Corporation for the U.S. Air Force but ...
F-105 Thunderchief
(from the article "military aircraft") ...produced jet fighter ever. It was a formidable threat to U.S. airmen over North Vietnam ...
F-111
(from the article "bomber") ...abandoned such bombers altogether, while the United States and the Soviet Union switched to a ...
F-117
single-seat, twin-engine jet fighter-bomber built by the Lockheed Corporation (now part of the Lockheed Martin ... [1 Related Articles]
F-14
two-seat, twin-engine jet fighter built for the U.S. Navy by the Grumman Corporation (now part ... [2 Related Articles]
F-15
twin-engine jet fighter produced by the McDonnell Douglas Corporation of the United States. Based on ... [1 Related Articles]
F-16
single-seat, single-engine jet fighter built by the General Dynamics Corporation (now part of the Lockheed ... [3 Related Articles]
F-22 Raptor
(from the article "Boeing Company") ...design offered by a consortium comprising Lockheed (later Lockheed Martin), Boeing, and General Dynamics for ...
F-4
two-seat, twin-engine jet fighter built by the McDonnell Aircraft Corporation (later the McDonnell-Douglas Corporation) for ... [2 Related Articles]
F-86
U.S. single-seat, single-engine jet fighter built by North American Aviation, Inc., the first jet fighter ... [3 Related Articles]
F-boat
(from the article "seaplane") ...with separate pontoons or floats as floatplanes. The first practical seaplanes were built and flown ...
F-box protein
(from the article "Life Sciences") ...animals. Most hormone receptors influence gene expression by entering the nucleus in response to hormone ...
F-centre
(from the article "colour centre") There are many types of colour centres. The best understood one, called an F-centre (German ...
F-centre laser
(from the article "spectroscopy") The development of solid-state diode lasers, F-centre lasers, and spin-flip Raman lasers is providing new ...
F-class asteroid
(from the article "Asteroid taxonomic classes") Asteroids of the B, C, F, and G classes have low albedos and spectral reflectances ...
f-orbital
(from the article "crystal") ...(oxygen, sulfur, selenium, and tellurium) need two electrons to fill their outer p-shell. (Electron shells ...
F-test
(from the article "statistics") ...MSR, is computed by dividing SSR by a number referred to as its degrees of ...
F-type star
(from the article "Space densities of stars") ...(i.e., the time for one cycle) of variation are closely related to their luminosity and ...
F.B.5 Gunbus
(from the article "military aircraft") ...with the propeller behind the engine) that was armed with a machine gun fired by ...
F/A-18
(from the article "military aircraft") ...with a look-down/shoot-down capability; the MiG-31 Foxhound interceptor, apparently derived from the MiG-25 but with ...
F1 hybrid
(from the article "plant breeding") ...because its male flowers (tassels) and female flowers (incipient ears) are separate and easy to ...
F1 layer
(from the article "ionosphere and magnetosphere") ...Although its degree of ionization persists with little change through the night, there is a ...
F11F Tigercat
(from the article "military aircraft") ...Convair F-102 Delta Dagger, an all-weather interceptor that was the first operational "pure" delta fighter ...
F1F0-proton-translocating ATPase
(from the article "bacteria") ...including the active transport of nutrients and the rotation of flagella. The protons also can ...
F4F Wildcat
(from the article "Grumman, Leroy Randle") ...founded the Grumman Aircraft Engineering Corporation on Long Island, N.Y. His FF-1, which entered service ...
F6F Hellcat
(from the article "Grumman, Leroy Randle") ...introduced in 1940, Grumman switched to monoplane construction. The F4F featured a folding wing for ...
Fa Ngum
founder and first king of the Lao kingdom of Lan Xang who created the first ... [2 Related Articles]
fa shih
(from the article "Daoism") ...or appeased and driven off, especially at all special occasions in the life of the ...
Fa'id Pass
(from the article "World War II") ...Rommel judged that a counterstroke should be delivered first against the Allies in the west. ...
Fa-hsiang
(from the article "Fa-hsiang") school of Chinese Buddhism derived from the Indian Yogacara school. See Yogacara.development of Yogacara
Faba, Guido
(from the article "Italian literature") The founder of Italian artistic prose style, the Bolognese professor of rhetoric Guido Faba, illustrated ...
Fabaceae
(from the article "shamrock") ...each of whose leaves is divided into three leaflets. Plants called shamrock include the wood ...
Fabales
order of dicotyledonous flowering plants in the Rosid I group among the core eudicots. The ...
Faber, Eberhard
German businessman who, with his brother Lothar, expanded his family's pencil company into a global ...
Faber, Frederick William
British theologian, noted hymnist, and founder of the Wilfridians, a religious society living in common ...
Faber, Johann Ludwig
(from the article "pottery") ...linear style that was nearly always based on line engravings. Faience thus decorated dates from ...
Faber, Josef
(from the article "music recording") ...by an earthquake in the year 27, the statue seems to have lost this ability ...
Faber, Lothar von
German entrepreneur who expanded a family pencil business into a worldwide firm preeminent in the ...
Faber, Michel
(from the article "English literature") ...another preoccupation of the 21st century's early years: the imitation of earlier literary styles and ...
Faber, Peter
French Jesuit theologian and a cofounder of the Society of Jesus, who was tutor and ...
Faberge, Peter Carl
one of the greatest goldsmiths, jewelers, and designers in Western decorative arts. [4 Related Articles]
Fabert, Abraham de
marshal of France, a leading French commander during the reigns of Louis XIII and Louis ...
Fabian Society
socialist society founded in 1883-84 in London, having as its goal the establishment of a ... [8 Related Articles]
Fabian, Saint
pope from 236 to 250. The successor to St. Anterus, Fabian was an outstanding administrator ...
Fabius
(from the article "The Preakness Stakes") In 1956 Hartack rode Fabius to victory at the Preakness Stakes, and in 1957 he ...
Fabius Ambustus, Quintus
Roman politician and commander who, according to the Roman historian Livy (1st century BC), was ...
Fabius Maximus Verrucosus, Quintus
Roman commander and statesman whose cautious delaying tactics (whence the nickname Cunctator, meaning "delayer," which ... [4 Related Articles]
Fabius Pictor, Quintus
one of the first Roman prose historians, an important source for later writers. [5 Related Articles]
Fabius, Laurent
(from the article "France") ...refused to allow Sarkozy to hold. The other immediate consequence of the referendum was a ...
fable
narrative form, usually featuring animals that behave and speak as human beings, told in order ... [16 Related Articles]
fabliau
a short metrical tale made popular in medieval France by the jongleurs, or professional storytellers. ... [4 Related Articles]
Fabre d'Eglantine, Philippe
French political dramatic satirist and prominent figure in the French Revolution; as deputy in the ... [2 Related Articles]
Fabre, Emile
French playwright and administrator of the Comedie-Francaise (1915-36) who developed it into a vehicle for ...
Fabre, Francois-Xavier
(from the article "Albany, Louise Maximilienne Caroline, Countess of") After Alfieri's death (1803) Louise continued to live in Florence in the company of the ...
Fabre, Jean Henri
French entomologist famous for his study of the anatomy and behaviour of insects.
Fabriano
town, in Marche (The Marches) region, central Italy. The town was the home of a ...
fabric
(from the article "igneous rock") A major part of rock texture is fabric or pattern, which is a function of ...
fabrication
(from the article "aerospace industry") Fabrication involves the manufacture of individual components that make up larger assemblies or end products. ...
Fabricio, Ponte
(from the article "Rome") At Tiber Island are two bridges. The Ponte Cestio, often rebuilt since the 1st century ...
Fabricius
(from the article "Prague, Defenestration of") ...an assembly of Protestants at Prague, where the imperial regents, William Slavata and Jaroslav Martinic, ...
Fabricius ab Aquapendente, Hieronymus
Italian surgeon, an outstanding Renaissance anatomist who helped found modern embryology. [3 Related Articles]
Fabricius Luscinus, Gaius
Roman commander and statesman whose incorruptibility and austerity were frequently regarded as models of the ...
Fabricius, Johann Albert
German classical scholar and the greatest of 18th-century bibliographers.
Fabricius, Johann Christian
Danish entomologist known for his extensive taxonomic research based upon the structure of insect mouthparts ...
Fabricius, Johannes
Dutch astronomer who may have been the first observer of sunspots (1610/1611) and was the ...
Fabris, Enrico
(from the article "Olympic Games") Canadian Cindy Klassen and Italian Enrico Fabris were the stars of the speed skating competition. ...
Fabritius, Barent
Dutch painter of portraits and of biblical, mythological, and historical scenes.
Fabritius, Carel
Dutch Baroque painter of portraits, genre, and narrative subjects whose concern with light and space ... [2 Related Articles]
Fabrizi, Nicola
one of the most militant and dedicated leaders of the Risorgimento, the movement aimed at ...
Fabro, Luciano
Italian artist was grouped with the avant-garde Arte Povera movement, which emphasized "poor," or raw, ...
Fabrosauridae
(from the article "ornithopod") ...the Late Cretaceous Period (227 million to 65 million years ago) and were one of ...
Fabry's disease
sex-linked hereditary disease in which a deficiency in the enzyme alpha-galactosidase A results in abnormal ... [2 Related Articles]
Fabry, Charles
French physicist who discovered in the upper atmosphere the ozone layer that acts as a ... [1 Related Articles]
Fabry-Perot interferometer
(from the article "optical interferometer") The Fabry-Perot interferometer (variable-gap interferometer) was produced in 1897 by the French physicists Charles Fabry ...
fabula Atellana
(Latin: "Atellan play"), the earliest native Italian farce, presumably rustic improvisational comedy featuring masked stock ... [3 Related Articles]
fabula palliata
any of the Roman comedies that were translations or adaptations of Greek New Comedy. The ... [4 Related Articles]
fabula praetext
(from the article "Naevius, Gnaeus") second of a triad of early Latin epic poets and dramatists, between Livius Andronicus and ...
fabula togata
(from the article "stage design") ...(Roman comedies on Greek subjects and based on Greek models), actors wore chitons and the ...
facade
(from the article "Western architecture") ...became the basis of most of the architecture of the Western world in the 17th ...
Facchinetti. Alessandra
(from the article "Fashions") ...stake in the New York City ready-to-wear label Proenza Schouler, but that firm's leaders, Lazaro ...
face
front part of the head that, in vertebrates, houses the sense organs of vision and ... [5 Related Articles]
face cam
(from the article "cam") Cams are made in a variety of forms, such as: (1) a rotating disk or ...
face haulage
(from the article "coal mining") Coal haulage, the transport of mined coal from working faces to the surface, is a ...
face powder
(from the article "cosmetic") ...a small part of which is saponified (converted to a crystalline form) in order to ...
face presentation
(from the article "presentation") ...portion of the uterus, which projects into the vagina. In nearly all deliveries the presenting ...
face validity
(from the article "personality assessment") Among the most common of self-report tests are personality inventories. Their origins lie in the ...
face ventilation
(from the article "coal mining") ...is an important auxiliary operation, while the task of carrying this air up to the ...
face-centred cubic structure
(from the article "steel") ...steel is the allotropy of iron-that is, its existence in two crystalline forms. In the ...
face-off
(from the article "ice hockey") ...drops the puck between opposing players, follows the infraction. In hockey competition that has no ...
Facebook
American company offering online social networking services. Facebook was founded as a social networking Web ... [2 Related Articles]
facer-canceler machine
(from the article "postal system") Facing is the process of aligning letters so that all will have the address side ...
Faces, the
(from the article "Stewart, Rod") ...and future Rolling Stone Ron Wood in the Jeff Beck Group. Stewart's collaboration with Beck ...
facet
flat, polished surface on a cut gemstone, usually with three or four sides. The widest ... [2 Related Articles]
facet analysis
(from the article "library") ...librarian S.R. Ranganathan, whose extraordinary output of books and articles has left its mark on ...
faceting
(from the article "diamond cutting") From the girdler the diamond goes to the lapper, or blocker, who specializes in placing ...
Facets, Palace of
(from the article "Moscow") On the west of Cathedral Square is a group of palaces of various periods. The ...
Facey, Albert Barnett
(from the article "Australian literature") ...her increasing awareness of the meaning and experience of the desert and leading toward self-discovery. ...
Fachhochschule
(from the article "Germany") ...of institutes and colleges of technology, education, and art have been upgraded to university rank. ...
Fachmuldental
(from the article "valley") ...valleys with convex sides and broad floors are called Kehltal; and broad, ...
Facho Peak
(from the article "Madeira Islands") Porto Santo Island is about 26 miles (42 km) northeast of Madeira; its main town, ...
Fachschule
(from the article "Germany") ...called the Realschule (roughly meaning practical school) and earn an intermediate-level certificate ...
fachuan
(from the article "Buddhism") ...in China and Japan have established Ullambana, or All Souls Day, as one of the ...
facial expression
(from the article "emotion") Of the various types of expressive behaviour, facial expression has received the most attention. In ...
facial nerve
nerve that originates in the area of the brain called the pons and that has ... [5 Related Articles]
facial reconstruction
(from the article "police") Facial reconstruction combines both art and science. A skull can be used as a foundation ...
facilitated diffusion
(from the article "poison") Transport systems that use carrier molecules but which do not require energy to proceed are ...
Facio, Bartolomeo
(from the article "Valla, Lorenzo") ...about things that did not exist in Roman times-e.g., cannons and parliaments. For his offenses ...
facioscapulohumeral dystrophy
(from the article "muscle disease") Facioscapulohumeral muscular dystrophy starts in the face, the muscles around the shoulder blades, and the ...
facon de Venise
(French: "Venetian fashion"), style of glass made in the 16th and 17th centuries at places ... [2 Related Articles]
facsimile
in telecommunications, the transmission and reproduction of documents by wire or radio wave. Common fax ... [5 Related Articles]
facsimile machine
(from the article "facsimile") in telecommunications, the transmission and reproduction of documents by wire or radio wave. Common fax ...
facsimile telegraph
(from the article "telegraph") The facsimile telegraph was perfected in the 1930s and was widely used for sending photographs ...
fact
(from the article "applied logic") When this assumption is introduced within the framework of known facts, a contradiction obviously ensues. ...
fact pleading
(from the article "procedural law") ...to remedy pleading itself, requiring pleaders to emphasize the facts underlying the parties' cause of ...
Fact, Theatre of
German dramatic movement that arose during the early 1960s, associated primarily with Rolf Hochhuth, Peter ... [1 Related Articles]
Fact-Index
(from the article "Compton's Encyclopedia and Fact-Index") In the late 20th century Compton's contained about 5,200 main articles in 25 volumes. A ...
Facta, Luigi
Italy's last prime minister before the Fascist leader Benito Mussolini gained power (Oct. 31, 1922). [2 Related Articles]
faction
(from the article "democracy") In many of the city-state democracies and republics, part of the answer to question (3)-What ...
factitious disorder
(from the article "mental disorder") Factitious disorders are characterized by physical or psychological symptoms that are voluntarily self-induced; they are ...
factor
in mathematics, a number or algebraic expression that divides another number or expression evenly-i.e., with ... [1 Related Articles]
factor
(from the article "agency") Various kinds of agency relationships are evident in Anglo-American commercial life. The factor and the ...
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