• tension wood (plant anatomy)

    angiosperm: Secondary vascular system: …there is eccentric growth of tension wood on the upper surface; tension wood is a type of reaction wood found in angiosperms that contains gelatinous fibers which shrink and pull.

  • tension-cable network (construction)

    construction: Steel structures: Tension-cable networks use a mesh of cables stretched from masts or continuous ribs to form a taut surface of negative curvature, such as a saddle or trumpet shape; the network of cables can be replaced by synthetic fabrics to form the tension surface. Another fabric…

  • Tenskwatawa (Shawnee leader)

    The Prophet was a North American Indian religious revivalist of the Shawnee people, who worked with his brother Tecumseh to create a pan-tribal confederacy to resist U.S. encroachment in the Northwest Territory. The Prophet’s declaration in 1805 that he had a message from the “Master of Life,”

  • tenso (poetry)

    tenson, a lyric poem of dispute or personal abuse composed by Provençal troubadours in which two opponents speak alternate stanzas, lines, or groups of lines usually identical in structure. In some cases these debates were imaginary, and both sides of the issue were composed by the same person. The

  • tenson (poetry)

    tenson, a lyric poem of dispute or personal abuse composed by Provençal troubadours in which two opponents speak alternate stanzas, lines, or groups of lines usually identical in structure. In some cases these debates were imaginary, and both sides of the issue were composed by the same person. The

  • tensor analysis (mathematics)

    tensor analysis, branch of mathematics concerned with relations or laws that remain valid regardless of the system of coordinates used to specify the quantities. Such relations are called covariant. Tensors were invented as an extension of vectors to formalize the manipulation of geometric entities

  • tensor tympani (anatomy)

    human ear: Muscles: The longer muscle, called the tensor tympani, emerges from a bony canal just above the opening of the eustachian tube and runs backward and then outward as it changes direction in passing over a pulleylike projection of bone. The tendon of this muscle is attached to the upper part of…

  • tent (portable shelter)

    tent, portable shelter, consisting of a rigid framework covered by some flexible substance. Tents are used for a wide variety of purposes, including recreation, exploration, military encampment, and public gatherings such as circuses, religious services, theatrical performances, and exhibitions of

  • tent caterpillar moth (insect)

    tent caterpillar moth, (genus Malacosoma), any of a group of moths in the family Lasiocampidae (order Lepidoptera) in which the larvae (caterpillars) spin huge, tent-shaped communal webs in trees, are often brightly colored, and can defoliate forest, fruit, and ornamental trees. The adults are

  • tent church

    Western architecture: Kievan Rus and Russia: …the tiered tower and the tent-shaped roof first developed in wood by Russia’s carpenters. Next was the substitution of the bulb-shaped spire for the traditional Byzantine cupola. This affected the design of masonry architecture by transforming its proportions and decoration and even its structural methods. The buildings acquired a dynamic,…

  • Tent of Miracles (novel by Amado)

    Jorge Amado: …include Tenda dos milagres (1969; Tent of Miracles), Tiêta do agreste (1977; Tieta, the Goat Girl), Tocaia grande (1984; Show Down), and O sumiço da santa (1993; The War of the Saints). Amado published his memoirs, Navegaçãu de cabotagem (“Coastal Navigation”), in 1992.

  • tent stitch (needlepoint)

    needlepoint: …intersection of threads, and the tent stitch, which covers only one. Since the 16th century the most commonly used stitches have been the tent (or continental) stitch, the vertically worked Florentine stitch (also called the flame, bargello, or Hungarian stitch), and the cross-stitch. In the 20th century the basket weave,…

  • tent-making bat

    leaf-nosed bat: …some species, such as the tent-making bat (Uroderma bilobatum), have striped faces. American leaf-nosed bats are 4–13.5 cm (1.6–5.3 inches) without the tail, which may be absent or up to 5.5 cm (2.2 inches) long. The largest member of the family is the spectral bat (Vampyrum spectrum), sometimes called a…

  • tentacle (invertebrate anatomy)

    chemoreception: Specialized chemosensory structures: …sensilla are often borne on tentacles.

  • tentacle worm (polychaete genus)

    tentacle worm, (Thelepus), any of a genus of tube-dwelling segmented worms of the class Polychaeta (phylum Annelida). They are sedentary forms that remain fixed to the sea bottom except as larvae. T. cincinnatus, 5 to 10 centimetres (about 2 to 4 inches) long and pale red, has lacelike markings on

  • tentacled tube worm (polychaete genus)

    tentacle worm, (Thelepus), any of a genus of tube-dwelling segmented worms of the class Polychaeta (phylum Annelida). They are sedentary forms that remain fixed to the sea bottom except as larvae. T. cincinnatus, 5 to 10 centimetres (about 2 to 4 inches) long and pale red, has lacelike markings on

  • tentaculum (fish anatomy)

    chimaera: …a supplemental clasping organ, the tentaculum, on the forehead and in front of each pelvic fin.

  • Tentara Nasional Indonesia (Indonesian military)

    Indonesia: Security of Indonesia: …of their pre-Sukarno names, the National Army of Indonesia (Tentara Nasional Indonesia; TNI), and the police were split into a separate unit. The army, constituting more than three-fourths of the forces, has remained the largest segment of the TNI. Men must be at least 18 years old to join the…

  • Tentation de l’Occident, La (work by Malraux)

    André Malraux: Life: …La Tentation de l’Occident (The Temptation of the West). His novels Les Conquérants (The Conquerors), published in 1928, La Voie royale (The Royal Way), published in 1930, and the masterpiece La Condition humaine in 1933 (awarded the Prix Goncourt) established his reputation as a leading French novelist and a…

  • Tentation de Saint-Antoine, La (novel by Flaubert)

    The Temptation of Saint Anthony, novel by Gustave Flaubert, published in 1874 as La Tentation de Saint Antoine. It was also translated as The First Temptation of Saint Anthony. Flaubert called the subject of the narrative his “old infatuation,” which he had begun developing in 1839 as an attempt to

  • Tentative de description d’un dîner de têtes à Paris-France (work by Prévert)

    Jacques Prévert: Most popular is his Tentative de description d’un dîner de têtes à Paris-France (1931; “Attempt at a Description of a Masked Dinner at Paris, France”).

  • Tentative Description of a Dinner Given to Promote the Impeachment of President Eisenhower (poetry by Ferlinghetti)

    Lawrence Ferlinghetti: The long poem Tentative Description of a Dinner Given to Promote the Impeachment of President Eisenhower (1958) was also popular. Ferlinghetti’s later poems continued to be politically oriented, as such titles as One Thousand Fearful Words for Fidel Castro (1961), Where Is Vietnam (1965), Tyrannus Nix? (1969), and…

  • Tenterfield (New South Wales, Australia)

    Tenterfield, town, northeastern New South Wales, Australia. It lies in the New England Range section of the Eastern Highlands. Founded in 1848 and named for the Scottish homestead of an early settler, it was gazetted a town in 1851 and a municipality in 1871. In 1889 Australian statesman Sir Henry

  • tentering (industrial process)

    textile: Tentering, crabbing, and heat-setting: Tentering stretches width under tension by the use of a tenter frame, consisting of chains fitted with pins or clips to hold the selvages of the fabric, and travelling on tracks. As the fabric passes through the heated chamber, creases and wrinkles are removed, the…

  • Tenth Amendment (United States Constitution)

    Tenth Amendment, amendment (1791) to the Constitution of the United States, part of the Bill of Rights, providing the powers “reserved” to the states. The full text of the Amendment is: The final of the 10 amendments that constitute the Bill of Rights, the Tenth Amendment was inserted into the

  • Tenth Man, The (play by Chayefsky)

    Paddy Chayefsky: His next two stage productions, The Tenth Man (1959) and Gideon (1961), were on religious themes and attacked contemporary cynicism, while The Passion of Josef D. (1964) was a treatment of Joseph Stalin and the Russian Revolution. The Latent Heterosexual (published 1967; performed 1968) tells of a successful homosexual author

  • Tenth Muse Lately Sprung Up in America, The (work by Bradstreet)

    American literature: The 17th century: …wrote some lyrics published in The Tenth Muse Lately Sprung Up in America (1650), which movingly conveyed her feelings concerning religion and her family. Ranked still higher by modern critics is a poet whose works were not discovered and published until 1939: Edward Taylor, an English-born minister and physician who…

  • Tenth of December (short stories by Saunders)

    George Saunders: …In Persuasion Nation (2006), and Tenth of December (2013). He also wrote the children’s book The Very Persistent Gappers of Frip, illustrated by Lane Smith, which was published in 2000. His novella The Brief and Frightening Reign of Phil was released in 2005. The Braindead Megaphone (2007) is a book…

  • Tenth Penny (Dutch history)

    Council of Troubles: …permanent 10 percent sales tax—the Tenth Penny—which would give the central government financial independence and thus break the particularism of the Netherlands. Announced in March 1569, though the measure was not to go into effect until 1571, the Tenth Penny caused general discontent; all provincial and local officials who balked…

  • Tenthredinoidea (insect)

    sawfly, (superfamily Tenthredinoidea), any of a large group of widely distributed insects that are thought to be the most primitive group within the order Hymenoptera. Adults are wasplike in appearance, although they do not have a constricted “waist” between the thorax and abdomen. Larvae are

  • tentorium cerebelli (anatomy)

    meninges: Dura mater: Another, the tentorium cerebelli, provides a strong, membranous roof over the cerebellum. A third, the falx cerebelli, projects downward from the tentorium cerebelli between the two cerebellar hemispheres. The outer portion of the dura mater over the brain serves as a covering, or periosteum, of the inner…

  • Tenualosa ilisha (fish)

    ilish, (Tenualosa ilisha), species of saltwater herring of the Clupeidae family and a prized fish in South Asia. Native to the North Indian Ocean and most populous in the Bay of Bengal, ilish is the national fish of Bangladesh and the state fish of West Bengal, India. The distribution of ilish,

  • tenuis (larva)

    paracanthopterygian: Life cycle and reproduction: …to another larval stage, the tenuis, descends to the bottom, and becomes a parasite in a sea cucumber (Holothuria tubulosa or Stichopus regalis). The tenuis, apparently dependent upon its host for survival, undergoes a further transformation to the juvenile stage; in the process its length decreases from 20 to 10…

  • tenure (employment condition)

    tenure, length and conditions of office in civil, judicial, academic, and similar services. Security of tenure, usually granted in the civil service and in academic appointments after a probationary period, is considered an essential condition of maintaining the independence and freedom of those

  • tenure in chivalry (medieval law)

    feudal land tenure: …free tenures, the first was tenure in chivalry, principally grand sergeanty and knight service. The former obliged the tenant to perform some honourable and often personal service; knight service entailed performing military duties for the king or other lord, though by the middle of the 12th century such service was…

  • Tenure of Kings and Magistrates, The (work by Milton)

    John Milton: Antimonarchical tracts: …to form an English republic, The Tenure of Kings and Magistrates (1649)—probably written before and during the trial of King Charles I though not published until after his death on January 30, 1649—urges the abolition of tyrannical kingship and the execution of tyrants. The treatise cites a range of authorities…

  • Tenure of Office Act (United States [1867])

    Tenure of Office Act, (March 2, 1867), in the post-Civil War period of U.S. history, law forbidding the president to remove civil officers without senatorial consent. The law was passed over Pres. Andrew Johnson’s veto by Radical Republicans in Congress in their struggle to wrest control of

  • Tenzin Gyatso (Tibetan Buddhist monk)

    14th Dalai Lama is the title of the Tibetan Buddhist monk Tenzin Gyatso, the first Dalai Lama to become a global figure, largely for his advocacy of Buddhism and of the rights of the people of Tibet. Despite his fame, he dispensed with much of the pomp surrounding his office, describing himself as

  • Tenzing Norgay (Nepali-Indian mountaineer)

    Tenzing Norgay was a Nepali-Indian Sherpa mountaineer who in 1953 became, with Edmund Hillary of New Zealand, the first person to set foot on the summit of Mount Everest, the world’s highest peak (approximately 29,035 feet [8,850 meters]; see Researcher’s Note: Height of Mount Everest). There is

  • Tenzing Norkay (Nepali-Indian mountaineer)

    Tenzing Norgay was a Nepali-Indian Sherpa mountaineer who in 1953 became, with Edmund Hillary of New Zealand, the first person to set foot on the summit of Mount Everest, the world’s highest peak (approximately 29,035 feet [8,850 meters]; see Researcher’s Note: Height of Mount Everest). There is

  • Tenzing Norkey (Nepali-Indian mountaineer)

    Tenzing Norgay was a Nepali-Indian Sherpa mountaineer who in 1953 became, with Edmund Hillary of New Zealand, the first person to set foot on the summit of Mount Everest, the world’s highest peak (approximately 29,035 feet [8,850 meters]; see Researcher’s Note: Height of Mount Everest). There is

  • tenzon (poetry)

    tenson, a lyric poem of dispute or personal abuse composed by Provençal troubadours in which two opponents speak alternate stanzas, lines, or groups of lines usually identical in structure. In some cases these debates were imaginary, and both sides of the issue were composed by the same person. The

  • Teobaldo el Póstumo (king of Navarre)

    Theobald I was the count of Troyes and of Champagne (from 1201), as Theobald IV, and king of Navarre (from 1234). He was the most famous of the aristocratic trouvères. He was the son of Theobald III of Champagne, who died before his son was born, and Blanche of Navarre. He lived for four years at

  • Teobaldo el Trovador (king of Navarre)

    Theobald I was the count of Troyes and of Champagne (from 1201), as Theobald IV, and king of Navarre (from 1234). He was the most famous of the aristocratic trouvères. He was the son of Theobald III of Champagne, who died before his son was born, and Blanche of Navarre. He lived for four years at

  • Teobaldo of Piacenza (pope)

    Blessed Gregory X ; beatified September 12, 1713; feast days January 28, February 4) was the pope, the leader of the Roman Catholic Church, from 1271 to 1276. Having been elected after an unprecedented three-year vacancy, he reformed the assembly of cardinals that elects the pope. (Read

  • Teodoreanu, Ionel (Romanian author)

    Romanian literature: Between the wars: …to the writings of novelist Ionel Teodoreanu. Victor Popa wrote about rural subjects, while G.M. Zamfirescu’s protagonists were typical Bucharest citizens, and D.D. Pătrăscanu wittily described political life.

  • Teodorović, Miloš (prince of Serbia)

    Miloš was a Serbian peasant revolutionary who became prince of Serbia (1815–39 and 1858–60) and who founded the Obrenović dynasty. Miloš Teodorović, originally a herdsman, worked for his half brother Milan Obrenović, then joined Karadjordje, who was leading the Serbs in a rebellion against their

  • Teofilatto (pope)

    Benedict VIII was the pope from 1012 to 1024, the first of several pontiffs from the powerful Tusculani family. The ascendancy of the Tusculani marked the fall of the rival Crescentii family of Rome, which had come to dominate the papacy in the latter half of the 10th century. Benedict’s

  • Teófilo Otoni (Brazil)

    Teófilo Otoni, city, east-central Minas Gerais estado (state), southwestern Brazil. It is located on the Todos os Santos River in the Mucuri River valley, at 1,047 feet (319 metres) above sea level. It was given city status in 1878. Teófilo Otoni is a trade centre for an agricultural hinterland

  • Teófilo Stevenson: The Knockout Artist

    Although he once was the most-feared Olympic boxer in the world, Cuban heavyweight Teófilo Stevenson entered the 1980 Olympic Games in Moscow merely as the favourite. On the way to winning gold medals at the 1972 Games in Munich, West Germany, and the 1976 Games in Montreal, Stevenson beat every

  • Teología de la liberación (work by Gutiérrez)

    liberation theology: Foundation and leadership: …Teología de la liberación (1971; A Theology of Liberation), was written by Gustavo Gutiérrez, a Peruvian priest and theologian. Other leaders of the movement included the Belgian-born Brazilian priest José Comblin, Archbishop Óscar Romero of El Salvador, Brazilian theologian Leonardo Boff,

  • Teoría de la expresión poética (work by Bousoño)

    Carlos Bousoño: Bousoño’s Teoría de la expresión poética (1952, rev. ed. 1966; “Theory of Poetic Expression”) analyzed poetic devices and sought general rules and a scientific basis for the study of poetry. It is his major critical work and received the Spanish Academy’s Fastenrath Prize.

  • Teoria sravneny (work by Chebyshev)

    Pafnuty Chebyshev: His Teoria sravneny (1849; “Theory of Congruences”) made him widely known in the mathematical world and was used as a textbook in Russian universities for many years.

  • Teoriya poznaniya i logika po ucheniyu posdneyshikh buddhistov (work by Shcherbatskoy)

    Fyodor Ippolitovich Shcherbatskoy: …to his first major work, Teoriya poznaniya i logika po ucheniyu posdneyshikh buddhistov (1903; “Theory of Knowledge and Logic According to the Later Buddhists”), which formed the basis of his great work on logic. The second part of the Teoriya, on perception and deduction, appeared in 1909. Shcherbatskoy served as…

  • Teos (king of Egypt)

    Tachos, second king (reigned 365–360 bc) of the 30th dynasty of Egypt; he led an unsuccessful attack on the Persians in Phoenicia. Tachos was aided in the undertaking by the aged Spartan king Agesilaus II, who led a body of Greek mercenaries, and by the Athenian fleet commander Chabrias. Tachos,

  • teosinte (plant)

    teosinte, any of four species of tall, stout grasses in the genus Zea of the family Poaceae. Teosintes are native to Mexico, Guatemala, Honduras, and Nicaragua. Domesticated corn, or maize (Zea mays mays), was derived from the Balsas teosinte (Z. mays parviglumis) of southern Mexico in

  • Teotihuacán (ancient city, Mexico)

    Teotihuacán, the most important and largest city of pre-Aztec central Mexico, located about 30 miles (50 km) northeast of modern Mexico City. At its apogee (c. 500 ce), it encompassed some 8 square miles (20 square km) and supported a population estimated at 125,000–200,000, making it, at the time,

  • Teotihuacán civilization (Mexican history)

    pre-Columbian civilizations: Teotihuacán: Teotihuacán, which was located in the Valley of Teotihuacán, a pocketlike extension of the Valley of Mexico on its northeastern side, was probably the largest city of the New World before the arrival of the Spaniards. At its height, toward the close of the…

  • tepal (botany)

    ladies’ tresses: The flowers feature six tepals (undifferentiated petals and sepals), which can be free or fused together to form a hood over the central labellum (lip).

  • Tepanec (people)

    Mexico: The rise of the Aztecs: …Toltec of Culhuacán, and the Tepanec of Atzcapotzalco. It was not long before the Aztecs used their strategic position to advantage by aiding the Tepanec in a war of expansion against the Toltec, the Chichimec, and other neighbouring peoples. And by 1428 the Aztecs’ ruler, Itzcoatl (“Obsidian Snake”), and his…

  • Tepatitlán (city, Mexico)

    Tepatitlán, city, northeastern Jalisco estado (state), west-central Mexico. On the central plateau and on the Acatic River, at 6,100 feet (1,860 metres) above sea level, Tepatitlán is an important agricultural, livestock-raising, commercial, and industrial centre. Corn (maize) and beans thrive in

  • Tepatitlán de Morelos (city, Mexico)

    Tepatitlán, city, northeastern Jalisco estado (state), west-central Mexico. On the central plateau and on the Acatic River, at 6,100 feet (1,860 metres) above sea level, Tepatitlán is an important agricultural, livestock-raising, commercial, and industrial centre. Corn (maize) and beans thrive in

  • TEPCO (Japanese company)

    Fukushima accident: The facility, operated by the Tokyo Electric and Power Company (TEPCO), was made up of six boiling-water reactors constructed between 1971 and 1979. At the time of the accident, only reactors 1–3 were operational, and reactor 4 served as temporary storage for spent fuel rods.

  • tepe (mound)

    tell, (“hill” or “small elevation”), in Middle Eastern archaeology, a raised mound marking the site of an ancient city. For specific sites, see under substantive word (e.g., Ḥasi, Tel). The shape of a tell is generally that of a low truncated cone. In ancient times, houses were constructed of

  • Tepe Gawra (archaeological site, Iraq)

    Tepe Gawra, ancient Mesopotamian settlement east of the Tigris River near Nineveh and the modern city of Mosul, northwestern Iraq. It was excavated from 1931 to 1938 by archaeologists from the University of Pennsylvania. The site, which apparently was continuously occupied from the Halaf Period (c.

  • Tepe Sabz (archaeological site, Iran)

    ancient Iran: The Neolithic Period (New Stone Age): Tepe Sabz in Khūzestān, Hajji Firuz in Azerbaijan, Godin Tepe VII in northeastern Lorestān, Tepe Sialk I on the rim of the central salt desert, and Tepe Yahya VI C–E in the southeast are all sites that have yielded evidence of fairly sophisticated patterns of…

  • Tepe Sialk (archaeological site, Iran)

    ancient Iran: The Neolithic Period (New Stone Age): …Tepe VII in northeastern Lorestān, Tepe Sialk I on the rim of the central salt desert, and Tepe Yahya VI C–E in the southeast are all sites that have yielded evidence of fairly sophisticated patterns of agricultural life (Roman numerals identify the level of excavation). Though distinctly different, all show…

  • Tepe Siyalk (archaeological site, Iran)

    ancient Iran: The Neolithic Period (New Stone Age): …Tepe VII in northeastern Lorestān, Tepe Sialk I on the rim of the central salt desert, and Tepe Yahya VI C–E in the southeast are all sites that have yielded evidence of fairly sophisticated patterns of agricultural life (Roman numerals identify the level of excavation). Though distinctly different, all show…

  • Tepe Yahya (archaeological site, Iran)

    Tepe Yahya, ancient Iranian site located northeast of Dowlatābād in southeastern Iran; it has yielded valuable information on the economic exchange patterns of the 3rd millennium bc. Excavations (1968–70) by the American School of Prehistoric Research have revealed that Tepe Yahya was almost

  • Tepeahua (El Salvador)

    Jutiapa, city, north-central El Salvador, at the foot of Mt. Platinar (1,200 ft [370 m]). The original name, Tepeahua, was derived from a Nahuatl expression meaning “mountain of the oak trees.” A short distance away is a 130-ft (40-m) waterfall on the Río Cristóbal, and there are traces of an

  • tepee (dwelling)

    tepee, conical tent most common to the North American Plains Indians. Although a number of Native American groups used similar structures during the hunting season, only the Plains Indians adopted tepees as year-round dwellings, and then only from the 17th century onward. At that time the Spanish

  • Tepehuan (people)

    Tepehuan, Middle American Indians of southern Chihuahua, southern Durango, and northwestern Jalisco states in northwestern Mexico. The Tepehuan are divided into the Northern Tepehuan, of Chihuahua, and the Southern Tepehuan, of Durango. Both speak dialects of the same language, Tepehuan, a

  • Tepehuan language

    Totonacan languages: …of two branches, Totonac and Tepehua. The languages are spoken in the Mexican states of Hidalgo, Puebla, and Veracruz.

  • Tepexpan (archaeological site, Mexico)

    pre-Columbian civilizations: Early hunters (to 6500 bce): …Mesoamerica comes from excavations near Tepexpan, northeast of Mexico City. The excavated skeletons of two mammoths showed that these beasts had been killed with spears fitted with lancelike stone points and had been butchered on the spot. A possible date of about 8000 bce has been suggested for the two…

  • tephigram (meteorological graph)

    Sir Napier Shaw: …of air pressure, and the tephigram, a graphical representation of the first law of thermodynamics as applied to Earth’s atmosphere, contributed to the development of modern meteorology.

  • tephillin (Judaism)

    phylactery, in Jewish religious practice, one of two small black leather cube-shaped cases containing Torah texts written on parchment, which, in accordance with Deuteronomy 6:8 (and similar statements in Deuteronomy 11:18 and Exodus 13:9, 16), are to be worn by male Jews 13 years of age and older

  • tephra (volcanism)

    pyroclastic flow: The term tephra (ash) as originally defined was a synonym for pyroclastic materials, but it is now used in the more-restricted sense of pyroclastic materials deposited by falling through the air rather than those settling out of pyroclastic flows. For example, ash particles that fall from a…

  • Tephrike (Turkey)

    Divriği, town, central Turkey. It is situated near the Çaltısuyu River, which is a tributary of the Euphrates. The town lies near the end of a fertile valley surrounded by orchards and gardens and below a small hill dominated by a ruined 13th-century walled citadel. Formerly a Byzantine stronghold

  • tephrite (geology)

    basanite: Basanites and tephrites occur as gray to black rocks in sheets and flows. Places where basanites are found include Spain, Hungary, Italy, New Zealand, and the southwestern United States; tephrites are found in Germany, Italy, Portugal, Greenland, Uganda, and Colorado.

  • tephrochronology (geology)

    tephrochronology, method of age determination that makes use of layers of ash (tephra). Tephra layers are excellent time-stratigraphic markers, but, to establish a chronology, it is necessary to identify and correlate as many tephra units as possible over the widest possible area. Because of the

  • tephroite (mineral)

    tephroite, olivine mineral found only in iron-manganese ore deposits and skarns and in metamorphosed manganese-rich sediments, such as those of Cornwall, Eng., and Franklin, N.J., in the United States. Tephroite (manganese silicate; Mn2SiO4) forms a solid solution series with the olivine fayalite

  • tephroite-fayalite series (mineralogy)

    tephroite: …Mn2SiO4) forms a solid solution series with the olivine fayalite in which iron completely replaces manganese in the molecular structure. For detailed physical properties, see olivine (table).

  • Tepic (Mexico)

    Tepic, city, capital of Nayarit estado (state), west-central Mexico. It lies at an elevation of about 3,000 feet (900 metres) above sea level along the Molóloa River, at the foot of the extinct Sangangüey volcano. Founded in 1542, much of the city retains its colonial atmosphere, particularly in

  • Tepiman language

    Uto-Aztecan languages: …Uto-Aztecan division are as follows:

  • Teplice (Czech Republic)

    Teplice, city, northwestern Czech Republic, on a rocky spur below the Ore Mountains (Krušné hory). Local radioactive springs (82°–115° F [28°–46° C]) were, according to archaeological evidence, known to the Romans and are mentioned in an 8th-century Bohemian legend. In 1156 a convent was founded

  • Teplice-Šanov (Czech Republic)

    Teplice, city, northwestern Czech Republic, on a rocky spur below the Ore Mountains (Krušné hory). Local radioactive springs (82°–115° F [28°–46° C]) were, according to archaeological evidence, known to the Romans and are mentioned in an 8th-century Bohemian legend. In 1156 a convent was founded

  • Teplitz-Schönau (Czech Republic)

    Teplice, city, northwestern Czech Republic, on a rocky spur below the Ore Mountains (Krušné hory). Local radioactive springs (82°–115° F [28°–46° C]) were, according to archaeological evidence, known to the Romans and are mentioned in an 8th-century Bohemian legend. In 1156 a convent was founded

  • Teplostanskaya Upland (region, Russia)

    Moscow: City site: This is the Teplostanskaya Upland, which rises more than 400 feet (120 meters) above the Moscow River and which includes the highest elevation within Moscow’s limits, 830 feet (250 meters) above sea level. One of the sweeping bends of the river has cut into the edge of the…

  • teponaztli (slit drum)

    Native American music: Central Mexico: …are the log drum (teponaztli) and single-headed drum (huéhuetl); these instruments have been played since pre-Columbian times. Central Mexicans also play Spanish instruments such as the violin, guitar, and harp. In addition, the Mixtec have adopted certain percussion instruments introduced by African peoples; these include the cajón de tapeo,…

  • Tepoztlán, a Mexican Village (work by Redfield)

    Robert Redfield: …his field endeavours appeared in Tepoztlán, a Mexican Village (1930), which gained prompt recognition as an innovative work. In 1930 he became a research associate of the Carnegie Institution, Washington, D.C., for which he conducted field study over the next 16 years in the Yucatán and Guatemala. In 1934 he…

  • Tepter Tatar language

    Tatar language: …eastern or Siberian dialects, Kasimov, Tepter (Teptyar), and Astrakhan and Ural Tatar. Kazan Tatar is the literary language.

  • Teptyar Tatar language

    Tatar language: …eastern or Siberian dialects, Kasimov, Tepter (Teptyar), and Astrakhan and Ural Tatar. Kazan Tatar is the literary language.

  • tepui (geology)

    Venezuela: Relief: … and steep-sided mesas, known as tepuis (tepuyes), capped with erosion-resistant sandstone and covered with intermingled savanna and semideciduous forest. Among the larger tepuis in the southeast are Camón, Chimanta, and the famous Mount Roraima, which rises to 9,094 feet (2,772 metres) along the Guyanese border. Like the lowland savannas of…

  • Tepuianthus (plant genus)

    Malvales: Neuradaceae, Thymelaeaceae, and Sphaerosepalaceae: … and the western Pacific; and Tepuianthus (7 species), which is found in the Guiana Highlands and is perhaps the only member of the family to have true petals.

  • Tequendama Falls (falls, Colombia)

    Tequendama Falls, waterfalls on the Bogotá (Funza) River, which is a tributary of the Magdalena River, in the Andean Cordillera (mountains) Oriental, central Colombia. One of the country’s major tourist attractions, the falls are located in a forested area 20 miles (32 km) west of Bogotá. The river

  • Tequesta (people)

    Miami: History: …(perhaps 2,000 years old) of Tequesta Indians on the site. The name Mayaimi, probably meaning “big water” or “sweet water,” may have referred to Lake Okeechobee or to local Native Americans who took their name from the lake. In 1567 the Spanish established a mission there as part of a…

  • Tequila (Mexico)

    tequila: …named for the town of Tequila in the Mexican state of Jalisco where it is produced.

  • tequila (distilled liquor)

    tequila, distilled liquor, usually clear in colour and unaged, that is made from the fermented juice of the Mexican agave plant, specifically several varieties of Agave tequilana Weber. Tequila contains 40–50 percent alcohol (80–100 U.S. proof). The beverage, which was developed soon after the

  • Tequila (song by Flores)

    instrumentals: … “Rumble” and the Champs’ “Tequila” hit it big in 1958, the year Duane Eddy began a string of hits featuring his trademark twang guitar sound. In Britain the Shadows had their own run of hits beginning in 1960, though they failed to export their success to the United States…

  • Tequila and Bonetti (American television series)

    Mariska Hargitay: TV roles: …role, in the detective series Tequila and Bonetti (1992), which again proved short-lived. Hargitay costarred in yet another single-season show, the comedy Can’t Hurry Love, in 1995–96, and in 1997–98 she played a recurring role as a desk clerk in the series ER.