Flanders, region that constitutes the northern half of Belgium. Along with the Walloon Region and the Brussels-Capital Region, the self-governing Flemish Region was created during the federalization of Belgium, largely along ethnolinguistic lines, in the 1980s and ’90s. Its elected government has

Flanders, medieval principality in the southwest of the Low Countries, now included in the French département of Nord (q.v.), the Belgian provinces of East Flanders and West Flanders (qq.v.), and the Dutch province of Zeeland (q.v.). The name appeared as early as the 8th century and is believed to

Belgium: Relief, drainage, and soils: …the Schelde is the low-lying plain of Flanders, which has two main sections. Maritime Flanders, extending inland for about 5 to 10 miles (8 to 16 km), is a region of newly formed and reclaimed land (polders) protected by a line of dunes and dikes and having largely clay soils.…

Vlaardingen, gemeente (municipality), southwestern Netherlands. It lies along the Nieuwe Maas and Het Scheur, just west of Rotterdam. An early Dutch naval victory was won nearby when Dirk IV defeated Emperor Henry III in 1037; the victories of Count William V (1351) near the town established the

Vlach, any of a group of Romance-language speakers who live south of the Danube in what are now southern Albania, northern Greece, the Republic of Macedonia, and southwestern Bulgaria. Vlach is the English-language term used to describe such an individual. The majority of Vlachs speak Aromanian,

Matthias Flacius Illyricus was a Lutheran Reformer, pioneer in church historical studies, and theological controversialist who created a lasting rift within Lutheranism. From 1539, after studies in Venice with the humanist Baptista Egnatius, Flacius attended the universities of Basel, Tübingen, and

logarithm: History of logarithms: In 1628 the Dutch publisher Adriaan Vlacq brought out a 10-place table for values from 1 to 100,000, adding the missing 70,000 values. Both Briggs and Vlacq engaged in setting up log trigonometric tables. Such early tables were either to one-hundredth of a degree or to one minute of arc.…

Vlad the Impaler: …into the noble family of Vlad II Dracul. His sobriquet Dracula (meaning “son of Dracul”) was derived from the Latin draco (“dragon”) after his father’s induction into the Order of the Dragon, created by Holy Roman Emperor Sigismund for the defense of Christian Europe against the Ottoman Empire. Vlad moved…

Vlad the Impaler was a voivode (military governor, or prince) of Walachia (1448; 1456–1462; 1476) whose cruel methods of punishing his enemies gained notoriety in 15th-century Europe. Some in the scholarly community have suggested that Bram Stoker’s Dracula character was based on Vlad. Vlad was the

Vlad the Impaler was a voivode (military governor, or prince) of Walachia (1448; 1456–1462; 1476) whose cruel methods of punishing his enemies gained notoriety in 15th-century Europe. Some in the scholarly community have suggested that Bram Stoker’s Dracula character was based on Vlad. Vlad was the

Vlad the Impaler was a voivode (military governor, or prince) of Walachia (1448; 1456–1462; 1476) whose cruel methods of punishing his enemies gained notoriety in 15th-century Europe. Some in the scholarly community have suggested that Bram Stoker’s Dracula character was based on Vlad. Vlad was the

Vlad the Impaler was a voivode (military governor, or prince) of Walachia (1448; 1456–1462; 1476) whose cruel methods of punishing his enemies gained notoriety in 15th-century Europe. Some in the scholarly community have suggested that Bram Stoker’s Dracula character was based on Vlad. Vlad was the

Vlad the Impaler was a voivode (military governor, or prince) of Walachia (1448; 1456–1462; 1476) whose cruel methods of punishing his enemies gained notoriety in 15th-century Europe. Some in the scholarly community have suggested that Bram Stoker’s Dracula character was based on Vlad. Vlad was the

Bihor Massif: A northern extension, Vlădeasa, is a volcanic range reaching 6,023 feet (1,836 m). These mountains are the source of several important rivers. The Vlădeasa spawns the Crișu Repede and the Someșu Cald in a striking gorge.

Bulgaria: The arts of Bulgaria: …Lyubomir Pipkov, Petko Stainov, and Pancho Vladigerov. Bulgarian composers in the second half of the 20th century experimented with new tonality in vocal and instrumental music. Recordings and concert tours abroad won much wider audiences for traditional Bulgarian vocal music.

Montenegro: Under the prince-bishops: In Montenegro the position of vladika, as the prince-bishop was known, brought stability to the territory’s leadership. The link between church and state elevated it in the eyes of the peasantry, institutionalized a form of succession, and excluded the possibility of compromising alliances with the Turks.

Vladikavkaz, city and capital of North Ossetia republic, southwestern Russia. It lies along the Terek River and on the northern slopes of the Caucasus Mountains. Founded in 1784, Vladikavkaz was designed as the key fortress to hold the Georgian Military Highway through the Terek River valley and

Vladimir, city and administrative centre of Vladimir oblast (region), western Russia, situated on the Klyazma River. Vladimir was founded in 1108 by Vladimir II Monomakh, grand prince of Kiev. The community became the centre of a princedom, deriving importance from trade along the Klyazma. In 1157

Ukraine: Theatre and motion pictures: …theatre was the historical play Vladimir (1705) by Feofan Prokopovich (Ukrainian: Teofan Prokopovych). After a period of decline, a Ukrainian ethnographic theatre developed in the 19th century. Folk plays and vaudeville were raised to a high level of artistry by such actors as Mykola Sadovsky and Mariia Zankovetska in the…

Vladimir, oblast (region), western Russia. It is centred on Vladimir city and lies east of Moscow in the basin of the Oka River. The greater part is a low plain, with extensive swamps in the south. The oblast has spruce, pine, and oak, but much of the forest has been cleared. Industries produce

Boris I: Boris’s eldest son and heir, Vladimir (889–893), abandoned his father’s policy and became the instrument of a pagan reaction and a leader of the opponents of Slavic letters and literature. Boris then returned to active politics. With the aid of loyal boyars and the army, Boris drove his son from…

Vladimir I ; feast day July 15) was the grand prince of Kyiv and the first Christian ruler in Kievan Rus. His military conquests consolidated the provinces of Kyiv and Novgorod into a single state, and his Byzantine baptism determined the course of Christianity in the region. Vladimir was the son

Vladimir II Monomakh was the grand prince of Kiev from 1113 to 1125. Vladimir was the son of Grand Prince Vsevolod I Yaroslavich (ruled Kiev 1078–93) and Irina, the daughter of the Byzantine emperor Constantine IX Monomachus. He became active in the politics of Kievan Rus, helping his father and

Vladimir I ; feast day July 15) was the grand prince of Kyiv and the first Christian ruler in Kievan Rus. His military conquests consolidated the provinces of Kyiv and Novgorod into a single state, and his Byzantine baptism determined the course of Christianity in the region. Vladimir was the son

Vladimir I ; feast day July 15) was the grand prince of Kyiv and the first Christian ruler in Kievan Rus. His military conquests consolidated the provinces of Kyiv and Novgorod into a single state, and his Byzantine baptism determined the course of Christianity in the region. Vladimir was the son

Vladimir I ; feast day July 15) was the grand prince of Kyiv and the first Christian ruler in Kievan Rus. His military conquests consolidated the provinces of Kyiv and Novgorod into a single state, and his Byzantine baptism determined the course of Christianity in the region. Vladimir was the son

Mikhail Matveyevich Kheraskov: …by Ivan the Terrible, and Vladimir vozrozhdyonny (1785; “Vladimir Reborn”) is concerned with St. Vladimir’s introduction of Christianity to Russia. Kheraskov composed 20 plays, including tragedies and comedies, embodying classical principles of dramaturgy. He also edited literary magazines. His didactic poem Plody nauk (1761; “The Fruits of the Sciences”) was…

Yelizaveta Alekseyevna Tarakanova was an adventuress and pretender to the Russian throne who claimed to be the daughter of the unmarried empress Elizabeth (reigned 1741–62) and Count Aleksey G. Razumovsky. She claimed to have been reared in St. Petersburg, but she was probably not Russian, and her

Vladimir I ; feast day July 15) was the grand prince of Kyiv and the first Christian ruler in Kievan Rus. His military conquests consolidated the provinces of Kyiv and Novgorod into a single state, and his Byzantine baptism determined the course of Christianity in the region. Vladimir was the son

Suzdal, medieval principality that occupied the area between the Oka River and the Upper Volga in northeastern Russia. During the 12th to 14th centuries, Suzdal was under the rule of a branch of the Rurik dynasty. As one of the successor regions to Kiev, the principality achieved great political

Vladimir-Suzdal school, school of medieval Russian mural and icon painting that flourished in the 12th and 13th centuries around the neighbouring cities of Vladimir and Suzdal in the Suzdal region of northeastern Russia. Vladimir-Suzdal, along with the city of Novgorod in northwestern Russia, was

Volodymyr-Volynskyy, city, northwestern Ukraine. The city is situated on the Luha River where it is crossed by the Kovel-Lviv railway. It was founded by Vladimir I, grand prince of Kiev, in the 10th century and became the capital of one of the chief princedoms of Kievan Rus. After coming under

Tudor Vladimirescu was a national hero, leader of the popular uprising of 1821 in Walachia. A participant in the Russo-Turkish War (1806–12), Vladimirescu was influenced by the anti-Ottoman autonomist movement in Serbia. He initially allied himself with the Greek revolutionary society—the Philikí

Poland: The rule of Jagiełło: …and rector of Kraków University Paweł Włodkowic (Paulus Vladimiri) denounced the Knights’ policy of conversion by the sword and maintained that the pagans also had their rights. Similarly, the Poles were sympathetic to Jan Hus of Bohemia, who was condemned as a heretic by the council, and lent discreet support…

Yelizaveta Alekseyevna Tarakanova was an adventuress and pretender to the Russian throne who claimed to be the daughter of the unmarried empress Elizabeth (reigned 1741–62) and Count Aleksey G. Razumovsky. She claimed to have been reared in St. Petersburg, but she was probably not Russian, and her

Vladislas II was the king of Bohemia from 1471 and of Hungary from 1490 who achieved the personal union of his two realms. The eldest son of Casimir IV Jagiełło, king of Poland, Vladislas was elected king of Bohemia in 1471. The early part of his reign was spent in conflict with the Hungarian king

Western architecture: Eastern Europe: The interior of his Vladislav Hall, Prague (1493–1510), with its intertwining ribbon vaults, represents the climax of the late Gothic; but as the work on the exterior continued, the ornamental features of windows and portals are Classical. Religious architecture continued in the Gothic mode, and most secular architecture was…

Czechoslovak history: The Přemyslid rulers of Bohemia (895–1306): Another ruler, Vladislav I, became the “supreme cupbearer” to the emperor (1114), one of the highest court offices, which entitled him to participate as one of seven electors in choosing the head of the Holy Roman Empire. Vladislav II (ruled 1140–73) participated in the campaigns of Emperor…

Czechoslovak history: The Přemyslid rulers of Bohemia (895–1306): Vladislav II (ruled 1140–73) participated in the campaigns of Emperor Frederick I (Barbarossa) in Italy. He was named king and crowned by the emperor at Milan in 1158.

Vladivostok, seaport and administrative centre of Primorsky kray (territory), extreme southeastern Russia. It is located around Zolotoy Rog (“Golden Horn Bay”) on the western side of a peninsula that separates Amur and Ussuri bays on the Sea of Japan. The town was founded in 1860 as a Russian

The Masses: …City by the Dutch immigrant Piet Vlag; his goal was to educate the working people of America about art, literature, and socialist theory, but he and the magazine’s first editor quit within 18 months. From 1912 Max Eastman was editor; during his tenure the magazine followed a more radical socialist…

Vlach, any of a group of Romance-language speakers who live south of the Danube in what are now southern Albania, northern Greece, the Republic of Macedonia, and southwestern Bulgaria. Vlach is the English-language term used to describe such an individual. The majority of Vlachs speak Aromanian,

Maurice de Vlaminck was a French painter who was one of the creators of the painting style known as Fauvism. Vlaminck was noted for his brash temperament and broad interests; he was at various times a musician, actor, racing cyclist, and novelist. He was also a self-taught artist who proudly

Dirck Hartog: …in 1696 another Dutch explorer, Willem de Vlamingh, landed on Dirk Hartog Island, found Hartog’s plate, replaced it with a newly inscribed dish, and sent the original to Amsterdam, where it can now be seen in the Rijksmuseum. Hartog continued northward, charting the coast as far as North West Cape…

Vlach: The question of Vlach origins and how that affects their status: …the origin of Aromanian and Meglenoromanian (and Romanian) from Balkan Latin is beyond question, it is unclear to what extent contemporary Balkan Romance speakers are descended from Roman colonists or from indigenous pre-Roman Balkan populations who shifted to Latin. The question itself is of historical interest, but the potential answers…

Andrey Andreyevich Vlasov was an anti-Stalinist military commander who, captured by the Germans early in World War II, became a turncoat and fought with the Germans against the Soviet Union. The son of a kulak, Vlasov was drafted into the Red Army in 1919 and fought in the Russian Civil War. He

Leo Tolstoy: Fiction after 1880 of Leo Tolstoy: …life, Vlast tmy (written 1886; The Power of Darkness). After his death, a number of unpublished works came to light, most notably the novella Khadji-Murat (1904; Hadji-Murad), a brilliant narrative about the Caucasus reminiscent of Tolstoy’s earliest fiction.

Serbia: The early Slav states: …political identity was created by Vlastimir in about 850. This state was centred on an area in what is now eastern Montenegro and southern Serbia known as Raška and extended over the valleys of the Piva, Tara, Lim, and Ibar rivers (or roughly between the Durmitor and Kopaonik mountain ranges).…

radio telescope: Radio telescope arrays: The Very Long Baseline Array (VLBA) consists of ten 25-metre (82-foot) dishes spread across the United States from the Virgin Islands to Hawaii. The VLBA operates at wavelengths from 3 mm (0.1 inch) to 1 metre (3 feet) and is used to study quasars, galactic nuclei,…

radio telescope: Very long baseline interferometry: In conventional interferometers and arrays, coaxial cable, waveguide, or even fibre-optic links are used to distribute a common local-oscillator reference signal to each antenna and also to return the received signal from an individual antenna to a central laboratory where it…

radio telescope: Radio telescope arrays: …(26-foot) dish, known as the VLBI Space Observatory Program (VSOP), in Earth orbit. Working with the VLBA and other ground-based radio telescopes, VSOP gave interferometer baselines up to 33,000 km (21,000 miles). (VSOP was also known as the Highly Advanced Laboratory for Communication and Astronomy [HALCA].) In 2003 the VSOP…

tanker: Very large crude carriers (VLCCs). These ships, with a length of some 330 metres (1,100 feet), have capacities between 200,000 and 320,000 dwt. They carry in the area of two million barrels. Suezmax. The largest ships that can transit the Suez Canal, these tankers are…

therapeutics: Obesity: …of these diets is the very-low-calorie diet (VLCD) that results in rapid fat loss while minimizing the loss of lean muscle tissue. These diets require supplementation with potassium and a vitamin-mineral complex. Fad diets that eliminate one foodstuff, such as carbohydrate or protein, may give short-term results but fail in…

Guy Verhofstadt: …of the PVV to the Liberal and Democratic Flemish Party (VLD) in hopes of attracting more centrist voters. In 1997 he was reelected as president of the VLD. In elections in 1999 the VLD defeated Prime Minister Jean-Luc Dehaene’s centre-left coalition, and Verhofstadt became the first liberal prime minister of…

lipid: Very low-density lipoproteins (VLDL): VLDL is a lipoprotein class synthesized by the liver that is analogous to the chylomicrons secreted by the intestine. Its purpose is also to deliver triglycerides, cholesteryl esters, and cholesterol to peripheral tissues. VLDL is largely depleted of its triglyceride content…

John H. Van Vleck was an American physicist and mathematician who shared the Nobel Prize for Physics in 1977 with Philip W. Anderson and Sir Nevill F. Mott. The prize honoured Van Vleck’s contributions to the understanding of the behaviour of electrons in magnetic, noncrystalline solid materials.

playa, flat-bottom depression found in interior desert basins and adjacent to coasts within arid and semiarid regions, periodically covered by water that slowly filtrates into the ground water system or evaporates into the atmosphere, causing the deposition of salt, sand, and mud along the bottom

Till Eulenspiegel, German peasant trickster whose merry pranks were the source of numerous folk and literary tales. The historical Till Eulenspiegel is said to have been born at Kneitlingen, Brunswick, and to have died in 1350 at Mölln, Schleswig-Holstein, where his gravestone has been known since

telecommunications media: The radio-frequency spectrum: …from very low frequency (VLF), starting at 3 kilohertz, and extending to extremely high frequency (EHF), ending at 300 gigahertz.

Captain Beefheart was an innovative American avant-garde rock and blues singer, songwriter, and instrumentalist. Performing with the shifting lineup of musicians known as His Magic Band, Captain Beefheart produced a series of albums from the 1960s to the ’80s that had limited commercial appeal but

Vlissingen, gemeente (municipality), southwestern Netherlands. It is situated on the southern coast of Walcheren, at the mouth of the Western Schelde (Scheldt) estuary. A medieval trading town with emphasis on herring fishing, its importance lay in its position controlling the approach to Antwerp.

Komsomol, in the history of the Soviet Union, organization for young people aged 14 to 28 that was primarily a political organ for spreading Communist teachings and preparing future members of the Communist Party. Closely associated with this organization were the Pioneers (All-Union Lenin Pioneer

Vlorë, town that is the second seaport of Albania. It lies at the head of Vlorës Bay on the Adriatic Sea, which is protected by the mountainous Karaburun (peninsula) and the island of Sazan (Italian Saseno, ancient Saso). Of ancient origin, it was founded as Aulon, one of three Greek colonies on

Vlorë, town that is the second seaport of Albania. It lies at the head of Vlorës Bay on the Adriatic Sea, which is protected by the mountainous Karaburun (peninsula) and the island of Sazan (Italian Saseno, ancient Saso). Of ancient origin, it was founded as Aulon, one of three Greek colonies on

Vlorë, town that is the second seaport of Albania. It lies at the head of Vlorës Bay on the Adriatic Sea, which is protected by the mountainous Karaburun (peninsula) and the island of Sazan (Italian Saseno, ancient Saso). Of ancient origin, it was founded as Aulon, one of three Greek colonies on

Vlorë proclamation, (Nov. 28, 1912), declaration of Albanian independence from Ottoman rule. After the Turkish government adopted a policy of administrative centralization for the Ottoman Empire (1908), Albanian nationalist leaders led a series of revolts (1909–12) demanding the unification of the

computer science: Algorithms and complexity: Similarly, in very-large-scale integration (VLSI) chip design it is important to know whether the graph representing a circuit is planar, that is, whether it can be drawn in two dimensions without any links crossing (wires touching).

Very Large Telescope (VLT), observatory located on the mountain Cerro Paranal (2,635 metres [8,645 feet]) in Chile and consisting of four telescopes with mirrors 8.2 metres (27 feet) in diameter and four others with mirrors 1.8 metres (5.9 feet) in diameter. These telescopes can operate

The Moldau , symphonic poem by Bohemian composer Bedřich Smetana that evokes the flow of the Vltava River—or, in German, the Moldau—from its source in the mountains of the Bohemian Forest, through the Czech countryside, to the city of Prague. A devoutly patriotic work, The Moldau captures in music

Vltava River, river, the longest in the Czech Republic, flowing 270 miles (435 km). Its drainage basin is 10,847 square miles (28,093 square km). The river rises in southwestern Bohemia from two headstreams in the Bohemian Forest, the Teplá Vltava and the Studená Vltava. It flows first southeast,

airport: Navigational aids, lighting, and marking: …designed for operations conducted under visual meteorological conditions (VMC). These facilities operate only in daylight, and the only guidance they are required to offer is a painted runway centreline and large painted numbers indicating the magnetic bearing of the runway. Larger commercial airports, on the other hand, must also operate…

motivation: Sexual motivation: Damage to the ventromedial hypothalamus (VMH) also arrests estrus in females and sexual behaviour in males, but hormone replacement therapy successfully restores these functions, suggesting that VMH is involved with the expression of sexual behaviour when hormonal conditions are appropriate.

Virginia Military Institute (VMI), public institution of higher learning in Lexington, Virginia, U.S. It is a state military college modeled on the U.S. service academies. Students are referred to as cadets; all cadets enroll in U.S. Army, Air Force, Navy, or Marine Corps Reserve Officers’ Training

Internal Macedonian Revolutionary Organization (IMRO), secret revolutionary society that was active in the late 19th and early 20th centuries. Its many incarnations struggled with two contradictory goals: establishing Macedonia as an autonomous state on the one hand and promoting Bulgarian

mineral deposit: Volcanogenic massive sulfides: Wherever volcanism occurs beneath the sea, the potential exists for seawater to penetrate the volcanic rocks, become heated by a magma chamber, and react with the enclosing rocks—in the process concentrating geochemically scarce metals and so forming a hydrothermal solution. When such…

Viet Nam Quoc Dan Dang (VNQDD), the first large-scale revolutionary nationalist organization in Vietnam. Founded officially in 1927, the VNQDD was modeled after the revolutionary Nationalist Party (Kuomintang) of China. Its aim, like that of the Nationalist Party, was the establishment of a

Voter News Service (VNS), former American data collection and analysis service intended to aid in the reporting of exit-poll numbers during national elections. The consortium was created in 1990 by media companies ABC, CBS, CNN, Fox News, NBC, and the Associated Press under the direction of

DNA fingerprinting: …highly variable DNA (known as minisatellites), which do not contribute to the functions of genes, are repeated within genes. Jeffreys recognized that each individual has a unique pattern of minisatellites (the only exceptions being multiple individuals from a single zygote, such as identical twins).

Vo Chi Cong was a strongly anti-French Communist revolutionary who was among the earliest fighters for Vietnam’s independence. He held key positions in South Vietnam’s National Liberation Front (NLF) and the Provisional Revolutionary Government—both political arms of the Viet Cong guerrillas—during

Buddhism: Vietnam: …introduced by the Chinese monk Vo Ngon Thong. A third major Zen school was established in the 11th century by the Chinese monk Thao Durong. From 1414 to 1428 Buddhism in Vietnam was persecuted by the Chinese, who had again conquered the country. Tantrism, Daoism, and Confucianism also filtered into…

Vo Nguyen Giap was a Vietnamese military and political leader whose perfection of guerrilla as well as conventional strategy and tactics led to the Viet Minh victory over the French (and to the end of French colonialism in Southeast Asia) and later to the North Vietnamese victory over South Vietnam

Pierre Poivre: …permission from the Vietnamese king Vo Vuong to set up temporary trading posts and a permanent one at Tourane but then alienated the king by kidnapping a young Vietnamese to serve as his interpreter. As a result, all European missionaries were expelled from the country and were not reinstated until…

Voice of America (VOA), radio broadcasting network of the U.S. government, a unit of the United States Information Agency (USIA). Its first broadcast, in German, took place on February 24, 1942, and was intended to counter Nazi propaganda among the German people. By the time World War II ended, the

Fabales: Ecological and economic importance: …family is Vigna subterranea (Bambara groundnut), a leguminous plant that develops underground fruits in the arid lands of Africa. Important too are the seeds of Bauhinia esculenta; they are gathered for the high-protein tubers and seeds. Vigna aconitifolia (moth bean) and V. umbellata (rice bean) are much used in…

Belarus: Local government: The largest consists of six voblastsi (provinces) and one municipality (horad), Minsk. The provinces in turn are divided into rayony (sectors) and cities, with some larger cities further divided into rayony. Towns, villages, and settlements constitute the final tier.

Dutch East India Company, trading company founded in the Dutch Republic (present-day Netherlands) in 1602 to protect that state’s trade in the Indian Ocean and to assist in the Dutch war of independence from Spain. The company prospered through most of the 17th century as the instrument of the

air pollution: Air toxics: Many are volatile organic compounds (VOCs), organic compounds that readily evaporate. VOCs include pure hydrocarbons, partially oxidized hydrocarbons, and organic compounds containing chlorine, sulfur, or nitrogen. They are widely used as fuels (e.g., propane and gasoline), as paint thinners and solvents, and in

Native American music: Music and language: Many Native American songs employ vocables, syllables that do not have referential meaning. These may be used to frame words or may be inserted among them; in some cases, they constitute the entire song text. Vocables are a fixed part of a song and help define patterns of repetition and…

Italian literature: Opposing movements: …new enlarged edition of the Vocabolario della Crusca (the first Italian dictionary, published by the Accademia della Crusca in 1612). He wrote Sopra lo stato presente della lingua italiana (1810; “On the Present State of the Italian Language”) and endeavoured to establish the supremacy of Tuscan and of Dante, Petrarch,…

Italian literature: Opposing movements: …new enlarged edition of the Vocabolario della Crusca (the first Italian dictionary, published by the Accademia della Crusca in 1612). He wrote Sopra lo stato presente della lingua italiana (1810; “On the Present State of the Italian Language”) and endeavoured to establish the supremacy of Tuscan and of Dante, Petrarch,…

vocabulary, inventory of words used by a particular person or group or the words in a particular language or field of knowledge. The term comes from the Latin vocabulum, meaning designation or name. There are two types of vocabulary: active and passive. Active vocabulary includes the words an

vocal cord, either of two folds of mucous membrane that extend across the interior cavity of the larynx and are primarily responsible for voice production. Sound is produced by the vibration of the folds in response to the passage between them of air exhaled from the lungs. The frequency of these

vocal cord, either of two folds of mucous membrane that extend across the interior cavity of the larynx and are primarily responsible for voice production. Sound is produced by the vibration of the folds in response to the passage between them of air exhaled from the lungs. The frequency of these

vocal fry, in phonetics, a speech sound or quality used in some languages, produced by vibrating vocal cords that are less tense than in normal speech, which produces local turbulence in the airstream resulting in a compromise between full voice and whisper. English speakers produce a vocal fry

vocal music, any of the genres for solo voice and voices in combination, with or without instrumental accompaniment. It includes monophonic music (having a single line of melody) and polyphonic music (consisting of more than one simultaneous melody). This article deals with Western art music

Austroasiatic languages: Registers: Much more characteristic of the Austroasiatic stock is a contrast between two or more series of vowels pronounced with different voice qualities called registers. The vowels may have, for example, a “breathy” register, a “creaky” register, or a clear one. This feature, which is…

vocal sac, the sound-resonating throat pouch of male frogs and toads (amphibians of the order Anura). Vocal sacs are outpocketings of the floor of the mouth, or buccal cavity. Frogs display three basic types of vocal sacs: a single median throat sac, paired throat sacs, and paired lateral sacs.

vocalization, any sound produced through the action of an animal’s respiratory system and used in communication. Vocal sound, which is virtually limited to frogs, crocodilians and geckos, birds, and mammals, is sometimes the dominant form of communication. In many birds and nonhuman primates the

musical performance: The 17th and 18th centuries: …the rise of the professional vocal virtuoso about the last quarter of the 16th century, and this development soon had a profound influence on musical style. Italian composer-singers, such as Giulio Caccini and Jacopo Peri, reacted quickly to their audiences’ desire for more expressive and passionate vocalism, and the music…

vocal-instrumental concerto, musical composition of the early Baroque era (late 16th and early 17th centuries) in which choirs, solo voices, and instruments are contrasted with one another. Although sometimes employing secular texts, the genre is particularly associated with sacred music and is