| | - Tectariaceae
- the buckler fern family, containing 8-15 genera and about 230 species, in the division Pteridophyta (the lower vascular plants). Tectariaceae is distributed nearly worldwide but is most diverse in tropical regions. Most species are terrestrial or grow on rocks. Leaf ...
- tectogene
- great downbuckle of the Earth's crust into the mantle below deep-sea trenches that are filled with marine sediments. The sediments become crumpled and folded within the deep downbuckle; some portions are squeezed downward into the mantle, while others are squeezed ...
- tectonic basins and rift valleys
- landforms characterized by relatively steep, mountainous sides and flat floors. The steep sides are created by displacement on faults such that the valley floor moves down relative to the surrounding margins, or, conversely, the margins move up relative to the ... [3 Related Articles]
- tectonic cave
- (from the article "cave") Tectonic caves are formed by a mass movement of the bedrock. The rocks separate along joints or fractures, and are pulled apart mechanically. The resulting cave is usually a high, narrow fissure that has nearly planar walls with matching patterns ...
- tectonic earthquake
- (from the article "earthquake") ...because this form of energy is the only kind that can be stored in sufficient quantity in the Earth to produce major disturbances. Earthquakes associated with this type of energy release are called tectonic earthquakes.elastic rebound theory
- tectonic geomorphology
- (from the article "continental landform") In addition to the usual climatic imprints, orogenic tectonism (including volcanism) adds its obvious dimensions of elevation and slope to any surficial environment it encounters. It is now clear that orogenic realms in their early phases create gravitational opportunities for ...
- tectonic lake
- (from the article "lake") In some cases, elevated land areas may already contain depressions that eventually form lake basins. Lake Okeechobee, Florida, is cited as being such a basin, formed by uplift of the ocean floor.
- tectonic landform
- any of the relief features that are produced chiefly by uplift or subsidence of the Earth's crust or by upward magmatic movements. They include mountains, plateaus, and rift valleys.
- tectonics
- scientific study of the deformation of the rocks that make up the Earth's crust and the forces that produce such deformation. It deals with the folding and faulting associated with mountain building; the large-scale, gradual upward and downward movements of ... [10 Related Articles]
- tectorial membrane
- (from the article "ear, human") The stereocilia are about three to five micrometres in length. The longest make contact with but do not penetrate the tectorial membrane (Figure 6). This membrane is an acellular, gelatinous structure that covers the top of the spiral limbus as ...
- tectosilicate
- (from the article "Silicate minerals") ...where tetrahedrons share all their oxygen ions, an infinite three-dimensional network is created with an SiO2 unit composition. Minerals of this type are called framework silicates or tectosilicates.mineralTectosilicatesAlmost 75 percent ...
- Tectus
- (from the article "top shell") ...are common along temperate Atlantic shores, while those of Tegula and Calliostoma are abundant in the Pacific. Tropical top shells such as Trochus, Tectus, and Cittarium tend to be larger and more colourful than the genera from other regions. All ...
- Tecuaque
- (from the article "Anthropology and Archaeology") Human skeletons found at an archaeological site called Tecuaque, near Mexico City, provided grisly confirmation of Aztec practices of human sacrifice. The site was a flourishing Aztec community of 5,000 Zultepec Indians at the time of the Spanish conquest, and ...
- tecuhtli
- (from the article "pre-Columbian civilizations") ...office and, unless they had inherited private estates, were forced to live off the largess of the ruler. Commoners who had captured four enemy warriors in combat were promoted to the rank of tecuhtli, entered one of the military orders, ...
- Tecumseh
- Shawnee Indian chief, orator, military leader, and advocate of intertribal Indian alliance who directed Indian resistance to white rule in the Ohio River valley. In the War of 1812 he joined British forces for the capture of Detroit and the ... [4 Related Articles]
- Teda
- people of the eastern and central Sahara (Chad, Niger, and Libya). Their language, also called Teda (or Tedaga), is closely related to the Kanuri and Zaghawa languages, and it belongs to the Saharan group of the Nilo-Saharan language family. Teda ... [3 Related Articles]
- Teda language
- language spoken in Chad, Niger, and Libya. It is closely related to the Kanuri, Zaghawa, and Berti languages and belongs to the Saharan group of the Nilo-Saharan family of languages. Teda has northern and southern groups, and the term Teda ... [2 Related Articles]
- Tedania ignis
- (from the article "sponge") ...excretory products of the sponges-ammonia and other nitrogen-containing substances-account for their characteristic unpleasant odour. Many sponges (e.g., the tropical sponge Tedania ignis) exude large quantities of mucus, and some species produce toxic substances, which may cause inflammation and skin reactions ...
- Tedder, Arthur William Tedder, 1st Baron
- marshal of the Royal Air Force and deputy commander of the Allied Expeditionary Force under U.S. General Dwight D. Eisenhower who contributed significantly to the success of the Allied invasion of Normandy (June 6, 1944) and the German defeat on ...
- Teddington
- residential area in the London borough of Richmond upon Thames, about 11 miles (18 km) southwest of central London. Teddington is situated on the north bank of the River Thames, and its large lock (1912) marks both the North Sea ...
- teddy bear
- (from the article "Roosevelt, Theodore") ...its doors to entertain cowboys, prizefighters, explorers, writers, and artists. His refusal to shoot a bear cub on a 1902 hunting trip inspired a toy maker to name a stuffed bear after him, and the teddy bear fad soon swept ...
- Teddy Bears
- (from the article "Spector, Phil") ...school friends recorded To Know Him Is to Love Him, a simple teenage ballad written by Spector, its title taken from his father's gravestone. Released under the name of the Teddy Bears, it was one of the ...
- Tee Ball
- (from the article "baseball") ...for boys 8 to 12 years old, had about 2,500,000 players in its baseball program and 400,000 in its softball program in 102 countries. Little League has added leagues for children as young as age 5 (Tee Ball, in which ...
- teeing ground
- (from the article "golf") The starting place for each hole to be played is the teeing ground. The front is indicated by two markers, and the teeing ground is the rectangular space two club lengths in depth directly behind the line indicated by the ...
- teen idol
- (from the article "Presley, Elvis") Presley became the teen idol of his decade, greeted everywhere by screaming hordes of young women, and, when it was announced in early 1958 that he had been drafted and would enter the U.S. Army, there was that rarest of ...
- Tees, River
- river in northeastern England, rising on Cross Fell in the northern Pennines and flowing 70 miles (110 km) east to the North Sea. It forms the boundary between the historic counties of Yorkshire and Durham. In its upper course the ... [1 Related Articles]
- Tees-Exe Line
- (from the article "United Kingdom") Great Britain is traditionally divided into a highland and a lowland zone. A line running from the mouth of the River Exe, in the southwest, to that of the Tees, in the northeast, is a crude expression of this division. ...
- Teesdale
- district, administrative county of Durham, northeastern England, in the southwestern part of the county. The district lies on both sides of the River Tees. The area north of the river belongs to the historic county of Durham, and the area ...
- Teesside
- (from the article "England") The North East extends to the Scottish border, taking in the geographic counties of Northumberland and Durham. It also includes the metropolitan county of Tyne and Wear and the Teesside metropolitan area (centred on Middlesbrough) and is therefore unusually diverse. ...
- teetotum
- form of top having usually 4, 6, 8, or 12 sides marked with distinctive symbols. A teetotum is used for playing games, mostly of the gambling variety, and serves in place of dice. The hexagonal (six-sided) teetotum was known to ...
- Tefe
- city and river port, central Amazonas estado (state), northwestern Brazil. Founded by missionaries as Nogueira in the 17th century and also called Ega at one time, Tefe lies on the left (north) bank of the portion of ...
- teff
- (from the article "Bayda', Al-") The area was not a traditional province of Yemen but was set up in 1949, primarily for political reasons. Teff, a cereal grain introduced into southern Arabia from Ethiopia, is produced in the area and marketed in the town; Al-Bayda' ...
- tefilla
- (from the article "Judaism") ...of Psalms and biblical prayers; the Shema and its accompanying benedictions, introduced by a call to worship that marks the beginning of formal public worship; the prayer (tefilla) in the strict sense of petition; confession and supplication ...
- tefillin shel rosh
- (from the article "phylactery") ...which taken together form the divine name Shaddai. The hand phylactery (tefillin shel yad) has one compartment with the texts written on a single parchment; the head phylactery (tefillin shel rosh) has four compartments, each with one text. The extracts ...
- tefillin shel yad
- (from the article "phylactery") ...tefillin are worn in a prescribed manner so as to represent the letters shin, daleth, and yod, which taken together form the divine name Shaddai. The hand phylactery (tefillin shel yad) has one compartment with the texts written on a ...
- Tefnakhte
- chieftain of Sais, in the northwest Nile River delta, later king and founder of the 24th dynasty (c. 722-c. 715 BCE; see ancient Egypt: The 24th and 25th dynasties). He was reduced to vassalage by Piye (formerly called Piankhi), a ... [3 Related Articles]
- Tefnut
- (from the article "Shu") in Egyptian religion, god of the air and supporter of the sky, created by Atum by his own power, without the aid of a woman. Shu and his sister and companion, Tefnut (goddess of moisture), were the first couple of ...
- Tegal
- kotamadya (municipality) and port, northwestern Jawa Tengah provinsi (Central Java province), central Java, west-central Indonesia, located on the Java Sea about 160 miles (257 km) east-southeast of Jakarta. Roads and railway link it with ...
- Tegama
- (from the article "Niger") ...of neighbouring Mali. The central region consists of the rocky Adar Doutchi and Majia areas; it is the region of the gulbi (dried-up valleys of former tributaries of the Sokoto River) and the Tegama-a tableland of sandstone, ending, toward the ...
- Tegea
- ancient Greek city of eastern Arcadia, 4 miles (6.5 km) southeast of the modern town of Tripolis. The Temple of Athena Alea at Tegea was described by the Greek geographer Pausanias (2nd century AD) as excelling all others in the ...
- Tegel Airport
- (from the article "Tempelhof") ...for regular Allied airlifts of supplies. A statue commemorating the Berlin airlift stands in a park in front of the arrivals hall. In September 1975 nearly all air services transferred to the new Tegel Airport, though Tempelhof continued to accommodate ...
- Tegelen
- gemeente (commune), Limburg provincie, southeastern Netherlands, bounded on the west by the Maas (Meuse) River. It is known for the Passion Play performed there every few years (May to September). Situated near Venlo in a market-gardening area, Tegelen, as the ... [1 Related Articles]
- Tegernsee
- lake, southern Bayern (Bavaria), southeastern Germany, lying at 2,380 feet (725 m) above sea level, surrounded by wooded mountains on the fringe of the Bavarian Alps, south of Munich. It is nearly 4 miles (6.5 km) long, almost 1 mile ...
- Tegeticula maculata
- (from the article "pollination") ...moths are the various species of the genus Plusia, sometimes occurring in enormous numbers, and the hummingbird hawkmoth (Macroglossa), which is active in daylight. A small moth, Tegeticula maculata, presents an interesting case. It is totally dependent on yucca flowers, ...
- Teggart, Frederick J.
- Irish-born American historian who sought to apply scientific method to social and historical inquiry.
- Tegh Bahadur
- ninth Sikh Guru and second Sikh martyr, who gave his life for a religion not his own. He was also the father of the tenth Guru, Gobind Singh. [5 Related Articles]
- tegmentum
- (from the article "nervous system, human") The pons (metencephalon) consists of two parts: the tegmentum, a phylogenetically older part that contains the reticular formation, and the pontine nuclei, a larger part composed of masses of neurons that lie among large bundles of longitudinal and transverse nerve ...
- Tegner, Esaias
- Swedish teacher, bishop, and most popular poet of his period. [1 Related Articles]
- tegu
- (Tupinambis), any of about seven large, carnivorous, tropical South American lizards of the family Teiidae. The background colour of most species is black. Some have yellow, reddish, or white bands across the back, whereas others have broad ...
- Tegucigalpa
- city and capital of the Republic of Honduras. It is located on hilly terrain hemmed in by mountains, at an elevation of 3,200 feet (975 metres) above sea level. Tegucigalpa, founded in 1578 on the slopes of Mount Picacho as ... [7 Related Articles]
- Teguder
- (from the article "Arghun") Upon the death of his father, Il-Khan Abagha (reigned 1265-82), Prince Arghun was a candidate for the throne but was forced to yield to a stronger rival, his uncle Teguder. Arghun thereafter accused Teguder's followers of having poisoned his father, ...
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