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Titan: largest moon of Saturn and the only moon in the solar system known to have clouds and a dense atmosphere. It was discovered telescopically in 1655 by the Dutch scientist ...
Titan: in Greek mythology, any of the children of Uranus (Heaven) and Gaea (Earth) and their descendants. According to Hesiod's Theogony, there were 12 original Titans: the brothers Oceanus, Coeus, Crius, ...
Titan rocket: any of a series of U.S. rockets that were originally developed as intercontinental ballistic missiles (ICBMs; see rocket and missile system: Ballistic missiles) but subsequently became important expendable space-launch vehicles.
Titania: major satellite of Uranus, first detected in 1787 by the English astronomer William Herschel, who had discovered the planet itself six years earlier. Titania orbits at a distance of 435,840 ...
Titanic: British luxury passenger liner that sank on April 14-15, 1912, en route to New York City from Southampton, England, during its maiden voyage, killing about 1,500 passengers and ship personnel. ...
titanium: chemical element, silvery-gray metal of Group IVb of the periodic table. Titanium is a lightweight, high-strength, low-corrosion structural metal and is used in alloy form for parts in high-speed aircraft. ...
titanium processing: preparation of the ore for use in various products.
titanothere: any member of an extinct group of large-hoofed mammals that originated in North America during the Early Eocene Epoch (from 57.8 to 52 million years ago) and were present in ...
Titchener, Edward Bradford: English-born psychologist and a major figure in the establishment of experimental psychology in the United States. A disciple of the German psychologist Wilhelm Wundt, the founder of experimental psychology, Titchener ...
Titchmarsh, Edward Charles: English mathematician whose contributions to analysis placed him at the forefront of his profession.
Titelouze, Jean: French organist and composer whose improvisatory skills and virtuoso technique made him much sought after as a performer. His compositions rank him among the finest French Baroque church composers.
tithe: (from Old English teogothian, "tenth"), a custom dating back to Old Testament times and adopted by the Christian church whereby lay people contributed a 10th of their income for religious ...
Tithonian Stage: all those rocks deposited worldwide during the Tithonian Age (152 to 144 million years ago). The Tithonian is the uppermost of 11 stages making up the Jurassic System. The Tithonian's ...
Tithonus: in Greek legend, son of Laomedon, king of Troy, and of Strymo, daughter of the river Scamander. Eos (Aurora) fell in love with Tithonus and took him to Ethiopia where ...
titi: any of about 20 species of small arboreal monkeys that have long furred tails and are found in South American rainforests, especially along the Amazon and other rivers. Titis have ...
Titian: the greatest Italian Renaissance painter of the Venetian school. He was recognized early in his own lifetime as a supremely great painter, and his reputation has in the intervening centuries ...
Titicaca, Lake: the world's highest lake navigable to large vessels, lying at 12,500 feet (3,810 m) above sea level in the Andes Mountains of South America, astride the border between Peru to ...
Titius, Johann Daniel: Prussian astronomer, physicist, and biologist whose law (1766) expressing the distances between the planets and the Sun was confirmed by J.E. Bode in 1772.
Title IX: clause of the 1972 Federal Education Amendments, signed into law on June 23, 1972, which stated that "no person in the United States shall, on the basis of sex, be ...
Tito, Josip Broz: Yugoslav revolutionary and statesman. He was secretary-general (later president) of the Communist Party (League of Communists) of Yugoslavia (1939-80), supreme commander of the Yugoslav Partisans (1941-45) and the Yugoslav People's ...
Titov, Gherman Stepanovich: Soviet cosmonaut who piloted the Vostok 2 spacecraft, launched on August 6, 1961, on the first manned spaceflight of more than a single orbit; Yury Gagarin had made the first ...
titration: process of chemical analysis in which the quantity of some constituent of a sample is determined by adding to the measured sample an exactly known quantity of another substance with ...
Titus: Roman emperor (79-81), and the conqueror of Jerusalem in 70.
Titus Andronicus: an early, experimental tragedy by William Shakespeare, written sometime in 1589-92 and published in a quarto edition from an incomplete draft in 1594. The First Folio version was prepared from ...
Titus Tatius: traditionally the Sabine king who ruled with Romulus, the founder of Rome. It is unlikely that either Titus Tatius or Romulus was a historical personage. According to the legend, the ...
Titus, Saint: a disciple of St. Paul the Apostle, for whom he was secretary. According to tradition he was the first bishop of Crete.
Titus, The Letter of Paul to: a New Testament writing addressed to one of Paul's close companions, Titus, who was the organizer of the churches in Crete. It, and the two letters of Paul to Timothy, ...
Titusville: city, seat (1879) of Brevard county, east-central Florida, U.S., about 35 miles (55 km) east of Orlando. The city, on the Intracoastal Waterway, is situated on the west bank of ...
Titusville: city, Crawford county, northwestern Pennsylvania, U.S. It lies along Oil Creek, 40 miles (64 km) southeast of Erie. Founded in 1796 by Jonathan Titus and Samuel Kerr, surveyors for the ...
tityra: (genus Tityra), any of three species of tropical American birds of the cotinga family (Cotingidae, order Passeriformes). The masked tityra (Tityra semifasciata) is common in woods and open country from ...
Tiv: people living on both sides of the Benue River in Nigeria; they speak a language of the Benue-Congo branch of the Niger-Congo family. The Tiv language was reduced to writing ...
Tivaouane: town, northwestern Senegal. It is located about 50 miles (80 km) northeast of Dakar, the national capital. Senegal's principal mineral exports (aluminum and especially calcium phosphates) are quarried near Tivaouane. ...
Tiverton: town (township), Newport county, eastern Rhode Island, U.S. It lies along the Sakonnet River and Mount Hope Bay, opposite Portsmouth and Bristol. Originally a part of Plymouth colony and named ...
Tivoli: town and episcopal see, Lazio (Latium) regione, central Italy. It is picturesquely situated on the western slopes of the Sabine Hills, along the Aniene River where it ...
Tivoli: pleasure garden in Copenhagen. Cafes, restaurants, pavilions, open-air theatres, and an amusement park are scattered among Tivoli's extensive flower gardens. Fireworks, coloured floodlights, and illuminated fountains brighten the park at ...
Tiwanaku: major pre-Columbian civilization known from ruins of the same name that are situated near the southern shore of Lake Titicaca in Bolivia. The main Tiwanaku site was added to UNESCO's ...
Tiwi: town, southeastern Luzon, west-central Philippines. It is situated along Lagonoy Gulf of the Philippine Sea. The town lies in a bed of volcanic vents over an active geothermal area; through ...
Tiy: one of the most illustrious queens of Egypt.
Tizi Ouzou: town, north-central Algeria, in the Great Kabylie. It lies in a narrow valley of the Wadi Tizi Ouzou, separated from the Wadi Sebaou Valley by Mount Beloua. Named for the ...
Tiznit: town, provincial capital, and province, Sud region, Morocco. The town lies near the Atlantic coast and the Tachilla and Ouarzemimene mountains of the Anti-Atlas range. It was founded in 1882 ...
Tjokroaminoto, Omar Said: highly influential Indonesian leader of the early Indonesian nationalist movement, closely linked with the Sarekat Islam (Islamic Association), which he shaped as a political force.
tjurunga: in Australian Aboriginal religion, a mythical being and a ritual object, usually made of wood or stone, that is a representation or manifestation of such a being. An Aranda word, ...
Tlaaro: town, southeastern tip of Madagascar. It was settled temporarily between 1504 and 1528 by shipwrecked Portuguese sailors. The French built a fort there in 1643, and Etienne de Flacourt wrote ...
tlachtli: the ball court, or field, used for the ritual ball game (ollama) played throughout pre-Columbian Meso-America. Possibly originating among the Olmecs (La Venta culture, c. 800-c. 400 BC) or even ...
Tlalnepantla: city, northeastern Mexico state, central Mexico. At an altitude of 7,474 ft (2,278 m) above sea level on the Rio Tlalnepantla, it was founded by the Otomi Indians and conquered ...
Tlaloc: (Nahuatl: He Who Makes Things Sprout), the Aztec rain god. Representations of a rain god wearing a peculiar mask, with large round eyes and long fangs, date at least to ...
Tlalpan: delegacion (legation), central Distrito Federal (Federal District), central Mexico. At 1,425 feet (2,294 metres) above sea level in the Valley of Mexico, it is on the northeastern ...
Tlaquepaque: city, north-central Jalisco estado ("state"), west-central Mexico. Formerly known as San Pedro Tlaquepaque, the city lies in the temperate Guadalajara valley, approximately 5,400 feet (1,650 m) above sea level. A ...
Tlaxcala: town, capital of Tlaxcala estado ("state"), east-central Mexico. It lies along the Zahuapan River at the northwest foot of La Malinche volcano, 7,388 feet (2,252 m) above sea level. The ...
Tlaxcala: inland plateau estado ("state"), central Mexico, bordered by the states of Puebla on the northeast, east, and south; by Mexico on the west; and by Hidalgo on the northwest. The ...
Tlazolteotl: Aztec goddess who represented sexual impurity and sinful behaviour; she was probably introduced to the Aztecs from the gulf lowlands of Huaxteca. Tlazolteotl was an important and complex earth-mother goddess. ...
Tlemcen: town, northwestern Algeria, near the Moroccan border. Tlemcen is backed by the cliffs of the well-watered Tlemcen Mountains and overlooks the fertile Hennaya and Maghnia plains. Lying at an elevation ...
Tlingit: northernmost Indians of the North Pacific Coast of North America, inhabiting the islands and coastal lands of southern Alaska from Yakutat Bay to Cape Fox. They were speakers of the ...
To' Janggut: original name Muhammad Hasan Bin Munas Malay leader of a peasant rebellion in Malaya in 1915, directed against British colonial rule.
To' Kenali: original name Muhammad Yusof Bin Ahmad Malay theologian and teacher who became the archetype of the rural Malay religious teacher ('alim), with a reputation that spread far beyond his native ...
To-lun: town in the Inner Mongolian autonomous ch'u (region), China. Until 1952 the town was in the former Chahar province.
toad: any squat, rough-skinned, tailless amphibian of the order Anura, and especially a member of the family Bufonidae. The true toads (Bufo), with more than 300 species, are found worldwide except ...
toad bug: any insect of the family Gelastocoridae (order Heteroptera), which numbers about 100 species. These insects, which resemble tiny frogs, have short, broad bodies and protruding eyes; they catch their prey ...
toadfish: any of about 45 species of bottom-living fishes constituting the family Batrachoididae and the order Batrachoidiformes. They are found chiefly in the New World and mostly in warm seas-occasionally in ...
toadflax: any member of a genus (Linaria) of nearly 100 herbaceous plants native to the North Temperate Zone, particularly the Mediterranean region. The common name refers to their flaxlike leaves; the ...
toadstool: any of various inedible or poisonous species of mushrooms (division Mycota). See mushroom.
Toamasina: town, eastern Madagascar. The town lies along the Indian Ocean. It was rebuilt after destruction by hurricane in 1927, with the modern sector centring on the tree-lined avenue Poincare. Toamasina ...
Toarcian Stage: division representing all rocks deposited worldwide during the Toarcian Age (193-187 million years ago). The Toarcian is the fourth of 11 divisions (in ascending order) that make up the Jurassic ...
toastmaster's glass: English glass about the size of an ordinary drinking glass but with only about one-quarter of its capacity; the glass creates the illusion of being full by means of a ...
Toba Sojo: 47th head priest of the Enryaku-ji, which is headquarters of the Tendai sect of Buddhism, near Kyoto in modern Shiga Prefecture.
Toba, Go-: 82nd emperor of Japan, whose attempt to restore power to the imperial house resulted in total subjugation of the Japanese court.
Toba, Lake: lake in the Barisan Mountains, north-central Sumatra, Indonesia. It covers an area of about 440 square miles (1,140 square km), excluding Samosir Island, which occupies a large part of the ...
tobacco: common name of the plant Nicotiana tabacum and, to a limited extent, N. rustica and the cured leaf that is used, usually after aging and processing in various ways, for ...
Tobey, Mark: American painter whose individual experiments with abstract, calligraphic work influenced subsequent art trends, especially Abstract Expressionism.
Tobin, James: American economist whose contributions to the theoretical formulation of investment behaviour offered valuable insights into financial markets. His work earned him the Nobel Prize for Economics in 1981.
Tobit: apocryphal work (noncanonical for Jews and Protestants) that found its way into the Roman Catholic canon via the Septuagint. A religious folktale and a Judaicized version of the story of ...
tobogganing: the sport of sliding down snow-covered slopes and artificial-ice-covered chutes on a runnerless sled called a toboggan. In Europe, small sleds with runners are also called toboggans (see lugeing; skeleton ...
Tobol River: river, left-bank tributary of the Irtysh (Ertis) River, flowing through northern Kazakstan into southern Russia. After rising in the low mountains of the Torghay Plateau, it flows northeast across the ...
Tobolsk: city, Tyumen oblast (region), west-central Russia. It lies at the confluence of the Irtysh and Tobol rivers. Founded in 1587, it was one of the chief centres of early Russian ...
Tobruk: port, northeastern Libya. It was the site of Antipyrgos, an ancient Greek agricultural colony, and thereafter of a Roman fortress guarding the Cyrenaican frontier. The town later became a way ...
Tocantins: inland estado ("state") of north-central Brazil. A part of the sparsely settled Central-West region, Tocantins is bounded by the states of Maranhao and Piaui to the northeast, Bahia to the ...