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Thrasybulus ... Thurrock
Thrasybulus
Athenian general and democratic leader.
thread
tightly twisted ply yarn having a circular cross section and used in commercial and home sewing machines and for hand sewing. Thread is usually wound on spools, with thread size, ...
thread cross
object usually made of two sticks bound together in the shape of a cross, with coloured threads wound around their ends to resemble a cobweb, used in Tibetan rituals to ...
thread-waisted wasp
any insect of the subfamily Sphecinae belonging to the family Sphecidae (order Hymenoptera). They are large, common, solitary (nonsocial) wasps, usually more than 2.5 centimetres (about 1 inch) long. The ...
threadfin
any of about 24 species of marine fishes of the family Polynemidae (order Perciformes), widely distributed along warm seashores, often over sand. Threadfins have two well-separated dorsal fins and a ...
Threadgill, Henry
African-American improviser, composer, and bandleader, an important figure in free jazz in the late 20th century.
threadworm
(Strongyloides stercoralis), worm of the class Nematoda (phylum Aschelminthes) that is parasitic in the human intestine but is able to live freely and breed in the soil. It is especially ...
Three Henrys, War of the
(1587-89), the last of the Wars of Religion in France in the late 16th century, fought between the moderate but devious King Henry III, the ultra-Roman Catholic Henri I de ...
Three Kingdoms
trio of warring Chinese states that followed the demise of the Han dynasty.
Three Kingdoms period
in Korean history, the period (from c. 57 BC to AD 668) when the country was divided into the kingdoms of Silla, Koguryo, and Paekche (qq.v.).
Three Kings, Battle of the
(Aug. 4, 1578), defeat dealt the invading Portuguese armies of King Sebastian by the Sa'di sultan of Morocco, 'Abd al-Malik.
Three Mile Island
nuclear power station and the island on which it is situated, in the Susquehanna River near Harrisburg, Pennsylvania, U.S. The most serious accident in the history of the American nuclear ...
Three Pagodas Pass
mountain pass in the Tenasserim Mountain Range on the Myanmar (Burma)-Thailand border, 100 miles (160 km) southeast of Moulmein, Myanmar. The pass, at an elevation of 925 feet (282 m), ...
Three Principles of the People
the ideological basis of the political program of the Chinese national leader Sun Yat-sen (1866-1925), championing the principles of nationalism, democracy, and socialism.
Three Rivers
district, administrative and historic county of Hertfordshire, southeast England, in the southwestern corner of the county. Three Rivers district is essentially a dormitory suburban area on the northwest border of ...
Three Stooges, the
American comedy team noted for violent, anarchic slapstick and comedy routines rooted in the burlesque tradition. Six men were members of the team throughout the years: Shemp Howard (original name ...
Three Weeks
("Between the Straits"), in Judaism, a period of mourning running from the 17th day of Tammuz, the fourth month of the Jewish religious year, to the 9th day of Av ...
three-body problem
in astronomy, the problem of determining the motion of three celestial bodies moving under no influence other than that of their mutual gravitation. No general solution of this problem (or ...
three-day event
equestrian competition, testing the overall abilities of horse and rider in competition at dressage, cross-country and endurance riding, and stadium show jumping.
three-field system
method of agricultural organization introduced in Europe in the Middle Ages and representing a decisive advance in production techniques. In the old two-field system half the land was sown to ...
Thresher
first of a class of U.S. nuclear-powered attack submarines, launched in 1960. During sea trials after commissioning it sank with 129 persons on board in April 1963, about 200 miles ...
thresher
farm machine for separating wheat, peas, soybeans, and other small grain and seed crops from their chaff and straw. Primitive threshing methods involved beating by hand with a flail or ...
thresher shark
(genus Alopias), any of five species of sharks of the family Alopiidae noted for their long, scythelike tails that may constitute almost one-half their total length. Thresher sharks are found ...
Thrinaxodon
extinct genus of advanced mammal-like reptiles, found as fossils in continental deposits formed during the Early Triassic Period in southern Africa (the Triassic Period lasted from 245 to 208 million ...
Thring, Edward
schoolmaster whose reorganization of Uppingham School influenced public school education throughout England.
thrips
any member of the order Thysanoptera, among the smallest of the winged insects. They are abundant in the tropical and temperate regions of the world. Approximately 5,000 species have been ...
Throckmorton, Francis
English conspirator, the central figure in the unsuccessful Throckmorton Plot to overthrow Queen Elizabeth I.
Throckmorton, Sir Nicholas
English diplomat in the reign of Elizabeth I.
thrombocyte
a small, nucleated, spindle-shaped cell of nonmammalian vertebrates that plays a role in the clotting of blood; or a blood platelet, a small, non-nucleated, cytoplasmic body found in the blood ...
thrombocytopathy
any of several blood disorders characterized by abnormal blood platelets, the dysfunction of these platelets results in prolonged bleeding time, defective clot formation, and a tendency to hemorrhage. Inherited thrombocytopathies ...
thrombocytopenia
abnormally low number of blood platelets in the circulation. Thrombocytopenia may occur as a result of decreased platelet production, when the bone marrow is malfunctioning or not functioning (e.g., in ...
thrombophlebitis
inflammation of a vein coupled with formation of a blood clot that adheres to the wall of the vessel. The inflammation may precede or follow formation of the clot. Because ...
thrombosis
formation of a blood clot in the heart or in a blood vessel. Factors that play a role in the formation of clots (thrombi) include injury to a blood vessel ...
throne
chair of state set on a dais and often surmounted by a canopy, representing the power of the dignitary who sits on it and sometimes conferring that power. The extent ...
thrush
fungus infection characterized by raised white patches on the tongue that resemble milk curds. When gently scraped off, these patches reveal inflamed tissue that tends to bleed easily. Beginning on ...
thrush
any of about 300 members of the songbird family Turdidae, treated by many modern authorities as a subfamily of the Old World insect eaters, family Muscicapidae. The thrushes are sometimes ...
Thu Dau Mot
city, southern Vietnam. It is located on the Saigon River (Song Sai Gon) at the head of a branch of the Mekong delta inland waterway and on a spur railway ...
Thubron, Colin
British travel writer and novelist whose works, often set in foreign locales, explore love, memory, and the loss of faith, as well as the differences between the ideal and the ...
Thucydides
greatest of ancient Greek historians and author of the History of the Peloponnesian War, which recounts the struggle between Athens and Sparta in the 5th century BC. His work was ...
thug
member of a well-organized confederacy of professional assassins who traveled in gangs throughout India for several hundred years. (The earliest authenticated mention of the thugs is found in Ziya'-ud-Din Barani, ...
Thugga
the best-preserved ancient Roman city in modern Tunisia, located near modern Tabursuq, west of the ancient road between Carthage and Theveste (modern Tebessa, Algeria). Thugga's most notable pre-Roman ruin is ...
thugyi
(Burmese: "headman"), in Myanmar (Burmese) history, the title of either of two local royal officials: the myothugyi, or township chief, most common in the south, and the thaikthugyi, or regional ...
Thule culture
prehistoric Eskimo (Inuit) culture that developed along the Arctic coast in northern Alaska and possibly as far east as the Amundsen Gulf. It spread rapidly eastward, starting about 900 and ...
thulite
pink, manganese-rich variety of the mineral zoisite (q.v.).
thulium
(Tm), chemical element, rare-earth metal of transition Group IIIb of the periodic table. One of the rarest of the rare-earth elements, though more abundant than silver, thulium has few commercial ...
thuluth script
in calligraphy, medieval Islamic style of handwritten alphabet. Thuluth (Arabic: "one-third") is written on the principle that one-third of each letter slopes. It is a large and elegant, cursive script, ...
thumb
short, thick first digit of the human hand and of the lower-primate hand and foot. It differs from other digits in having only two phalanges (tubular bones of the fingers ...
Thun
city, Bern canton, central Switzerland, on the Aare River, which there issues from Lake Thun (Thuner See). It is the gateway and principal centre of the Berner Oberland (highland), just ...
Thun und Hohenstein, Franz Anton, Prince zu
Austrian administrator, prime minister, and governor of Bohemia, who favoured compromise with Czech nationalists but was defeated by extremist Czech and German opposition.
Thun und Hohenstein, Friedrich, Count von
Austrian diplomat and administrator who served as president of the German federal diet at Frankfurt in 1850, where he repeatedly clashed with Prussia's representative Otto von Bismarck.
Thun und Hohenstein, Leo, Count von
pro-Czech Austrian statesman and administrator who improved the educational establishments of the Austrian Empire, sought to resolve the antagonisms between Czechs and Germans in Bohemia, and favoured the conversion of ...
Thunberg, Clas
Finnish speed skater who, with Ivar Ballangrud of Norway, dominated the sport in the 1920s and '30s. He won five Olympic gold medals, a record for male speed skaters that ...
thunder
sound caused by a lightning discharge. Lightning heats the air in its path and causes a large over-pressure of the air within its channel. The channel expands supersonically into the ...
Thunder Bay
inlet of northwestern Lake Superior, indenting the coast of west-central Ontario, Canada. The bay is 35 miles (55 km) long and 15 miles (24 km) wide; it receives the Kaministiquia ...
Thunder Bay
city, seat of Thunder Bay district, west-central Ontario, Canada, on Lake Superior's Thunder Bay, at the mouth of the Kaministiquia River. Probably first occupied by French fur traders as early ...
thunder cult
prehistoric beliefs and practices that at times seem directed toward one aspect of the supreme sky god and at other times appear to be concerned with a separate thunder deity. ...
thunderbird
in North American Indian mythology, a powerful spirit in the form of a bird. By its work, the earth was watered and vegetation grew. Lightning was believed to flash from ...
Thunderer
in Baltic religion, a sky deity usually known as Perkunas (Lithuanian) or Perkons (Latvian). See Perkons.
thunderstorm
a violent, short-lived weather disturbance that is almost always associated with lightning, thunder, dense clouds, heavy rain or hail, and strong, gusty winds. Thunderstorms arise when layers of warm, moist ...
Thunen, Johann Heinrich von
German agriculturalist best known for his work on the relationship between the costs of commodity transportation and the location of production.
Thurber, James
American writer and cartoonist, whose well-known and highly acclaimed writings and drawings picture the urban man as one who escapes into fantasy because he is befuddled and beset by a ...
Thurber, Jeannette Meyer
American music patron who devoted her efforts to creating a government-funded music conservatory in the United States.
Thurgau
canton, northeastern Switzerland. It is bordered on the north by Lake Constance (Bodensee), by the Rhine River on the northwest, and by the cantons of Sankt Gallen on the south ...
thurible
vessel used in the Christian liturgy for the burning of aromatic incense strewn on lighted coals. Censers of terra-cotta or metal were widely used in Egypt, in the ancient Middle ...
Thuringia
historic region and Land (state) of Germany. Thuringia Land was re-created just prior to the unification of East with West Germany in 1990. It was constituted from the former East ...
Thuringian Basin
fertile agricultural region of Germany, between the Harz mountains on the north and the Thuringian Forest range on the south. It extends westward from the Saxon lowland. The basin's eastward-flowing ...
Thuringian Forest
range of forested hills and mountains in Germany, extending in an irregular line from the neighbourhood of Eisenach in west-central Thuringia southeastward to the Bavarian frontier, where it merges with ...
Thurles
town, County Tipperary, Ireland, on the banks of the River Suir. The seat of the Roman Catholic archbishopric of Cashel and Emly, the town is a marketing centre for a ...
Thurloe, John
English secretary of state during Oliver Cromwell's Protectorate. His voluminous correspondence provides one of the chief historical sources for the Cromwellian era.
Thurlow, Edward Thurlow, 1st Baron
lord chancellor of England from June 1778 to April 1783 and from December 1783 to June 1792, who gained that office and continued to hold it under a variety of ...
Thurman, Wallace Henry
African-American editor, critic, novelist, and playwright associated with the Harlem Renaissance of the 1920s.
Thurmond, Strom
American politician, a prominent states' rights and segregation advocate who ran for the presidency in 1948 on the Dixiecrat ticket and was one of the longest-serving senators in U.S. history ...
Thurn and Taxis postal system
imperial and, after 1806, private postal system operated in western and central Europe by the noble house of Thurn and Taxis. At least two early ancestors of the family, then ...
Thurneysen, Rudolf
German linguist and Celtic scholar who was one of the first to use the principles of modern historical linguistics in the field of Celtic studies. He was also an excellent ...
Thurnwald, Richard
German anthropologist and sociologist known for his comparative studies of social institutions.
Thurrock
seaport and unitary authority, geographic and historic county of Essex, England, lying on the north bank of the Thames estuary. Its southern part was largely reclaimed from the Thames marshes ...