Seneca was a Roman philosopher, statesman, orator, and tragedian. He was Rome’s leading intellectual figure in the mid-1st century ce and was virtual ruler with his friends of the Roman world between 54 and 62, during the first phase of the emperor Nero’s reign. Seneca was the second son of a

Seneca, county, central New York state, U.S., lying between Cayuga Lake to the east and Seneca Lake to the west, the latter the largest and deepest of the Finger Lakes. Lowlands in the north that are forested with oak and hickory rise to a plateau region in the south that contains maple, birch, and

Seneca, North American Indians of the Iroquoian linguistic group who lived in what is now western New York state and eastern Ohio. They were the largest of the original five nations of the Iroquois (Haudenosaunee) Confederacy, in which they were represented by eight chiefs. In the autumn small

Seneca Falls, village and town (township), Seneca county, west-central New York, U.S. The village lies in the Finger Lakes district on the Seneca River (connecting Seneca and Cayuga lakes), once the site of 50-foot (15-meter) falls. Hydroelectric power is generated locally, and there are important

Seneca Falls Convention, assembly held on July 19–20, 1848, in the Wesleyan Chapel in Seneca Falls, New York, that launched the women’s suffrage movement in the United States. Seneca Falls was the home of Elizabeth Cady Stanton, who, along with Lucretia Mott, conceived of and directed the

Finger Lakes: Seneca Lake is the largest (67 square miles [174 square km]) and deepest.

Lucius Annaeus Seneca was the author of a Latin work on declamation, a form of rhetorical exercise. Only about half of his book, Oratorum sententiae divisiones colores (“Sentences, Divisions, and Colors of the Orators and Rhetoricians”) survives; a 4th-century epitome preserves some of the rest,

Seneca was a Roman philosopher, statesman, orator, and tragedian. He was Rome’s leading intellectual figure in the mid-1st century ce and was virtual ruler with his friends of the Roman world between 54 and 62, during the first phase of the emperor Nero’s reign. Seneca was the second son of a

Seneca Village, a short-lived, predominantly African American 19th-century settlement in what is now the area between West 82nd and West 89th streets in Manhattan. As one of New York City’s first free Black communities, Seneca Village was home to the largest number of African American property

Lucius Annaeus Seneca was the author of a Latin work on declamation, a form of rhetorical exercise. Only about half of his book, Oratorum sententiae divisiones colores (“Sentences, Divisions, and Colors of the Orators and Rhetoricians”) survives; a 4th-century epitome preserves some of the rest,

Seneca was a Roman philosopher, statesman, orator, and tragedian. He was Rome’s leading intellectual figure in the mid-1st century ce and was virtual ruler with his friends of the Roman world between 54 and 62, during the first phase of the emperor Nero’s reign. Seneca was the second son of a

Senecan tragedy, body of nine closet dramas (i.e., plays intended to be read rather than performed), written in blank verse by the Roman Stoic philosopher Seneca in the 1st century ad. Rediscovered by Italian humanists in the mid-16th century, they became the models for the revival of tragedy on

seneschal, in medieval and early modern France, a steward or principal administrator in a royal or noble household. As time went on, the office declined in importance and was often equivalent to that of a bailiff (q.v.); the office and title persisted until the French Revolution. In Merovingian

groundsel, (genus Senecio), large genus of about 1,200 species of flowering plants in the aster family (Asteraceae) distributed throughout the world. Some species are cultivated as border plants or houseplants, and many species contain alkaloids that are poisonous to grazing animals. A diverse

groundsel: Major species: cineraria); and golden ragwort (S. aureus) are cultivated as border plants. German ivy (S. mikanoides) and florist’s cineraria (S. cruentus) are popular houseplants.

cineraria: …types: the garden species, especially dusty miller (S. cineraria); and the greenhouse varieties of S. cruentus, commonly referred to simply as cinerarias.

groundsel: Major species: mikanoides) and florist’s cineraria (S. cruentus) are popular houseplants.

groundsel: Major species: Ragwort, or tansy ragwort (S. jacobaea); cineraria, or dusty miller (S. cineraria); and golden ragwort (S. aureus) are cultivated as border plants. German ivy (S. mikanoides) and florist’s cineraria (S. cruentus) are popular houseplants.

waxplant: Major species: …and are sometimes known as wax vines. Porcelain flower (Hoya carnosa) has several cultivated varieties with white to rosy-pink flowers; one such variety, the Hindu rope vine, has twisted distorted leaves that may be variegated cream, yellow, and pink. The miniature waxplant (H. lanceolata bella) is more compact and has…

groundsel: Major species: German ivy (S. mikanoides) and florist’s cineraria (S. cruentus) are popular houseplants.

Alois Senefelder was a German inventor of lithography. The son of an actor at the Theatre Royal in Prague, Senefelder was unable to continue his studies at the University of Ingolstadt after his father’s death and thus tried to support himself as a performer and author, but without success. He

Alois Senefelder was a German inventor of lithography. The son of an actor at the Theatre Royal in Prague, Senefelder was unable to continue his studies at the University of Ingolstadt after his father’s death and thus tried to support himself as a performer and author, but without success. He

Alois Senefelder was a German inventor of lithography. The son of an actor at the Theatre Royal in Prague, Senefelder was unable to continue his studies at the University of Ingolstadt after his father’s death and thus tried to support himself as a performer and author, but without success. He

Senegal, country in western Africa. Located at the westernmost point of the continent and served by multiple air and maritime travel routes, Senegal is known as the “Gateway to Africa.” The country lies at an ecological boundary where semiarid grassland, oceanfront, and tropical rainforest

bichir: At least one species, the Senegal or gray bichir (P. senegalus), is capable of using its pectoral fins to propel itself across land for short distances—an adaptation that may have evolved to help the species move between temporary ponds that were drying up or hunt terrestrial insects.

coucal: The senegal coucal (C. senegalensis), 40 cm (16 inches) long, is brown above with black crown and white underparts. It is found in tropical Africa, as is a similar species, C. superciliosus, the white-browed coucal.

laughing dove, (Streptopelia senegalensis), bird of the pigeon family, Columbidae (order Columbiformes), a native of African and southwest Asian scrublands that has been successfully introduced into Australia. The reddish-brown bird has blue markings on its wings, a white edge on its long tail,

Sénégal River, river of western Africa, with a length of 1,020 miles (1,641 km). Its drainage basin encompasses some 174,000 square miles (450,000 square km). Two of the river’s three headstreams rise in the Fouta Djallon highlands in Guinea, after which it flows to the northwest and then to the

Sénégal River: Climate: The Sénégal valley proper receives 10 to 30 inches (250 to 760 mm) of precipitation annually, from late May to mid-October, with mean maximum temperatures of about 100 °F (low 40s C) in April, and mean minimum temperatures in the low 60s F (high 10s C)…

Wolof language: …two main variants of Wolof: Senegal Wolof, which is the standard form of the language, and Gambian Wolof, which is spoken along with Senegal Wolof by more than 160,000 people in The Gambia. Wolof is a national language of Senegal, where it is spoken by approximately 4.6 million people as…

Senegal was one of the oldest French colonies in Africa, and it was a place where leading intellectuals such as Léopold Senghor hoped to combine both European and African values. They consequently looked to the simple design of the French Tricolor as an inspiration for the flag of Senegal when the

history of Senegal, a survey of notable events and people in the history of Senegal. Located at the westernmost point of Africa along the coast of the Atlantic Ocean, the country is served by multiple air and maritime travel routes and is known as the “Gateway to Africa.” Senegal also functioned as

Senegal: Relief: …the depression known as the Senegal-Mauritanian Basin. Elevations of more than about 330 feet (100 metres) are found only on the Cape Verde Peninsula and in the southeast of the country. The country as a whole falls into three structural divisions: the Cape Verde headland, which forms the western extremity…

Abdoulaye Wade: In 1974 Wade founded the Senegalese Democratic Party (Parti Démocratique Sénégalais; PDS) as an opposition party to Pres. Léopold Senghor’s Senegalese Progressive Union (Union Progressiste Sénégalaise; UPS), which was known as the Socialist Party (Parti Socialiste; PS) after 1976. The PDS became the centre of a fledgling opposition movement in…

Senegambia, limited confederation (1982–89) of the sovereign countries of Senegal and The Gambia. The two countries reached a merger agreement in November 1981, and the Senegambia confederation came into being three months later. The terms of the agreement required Senegal and The Gambia to take

western Africa: Anglo-French competition: But the Colony of the Senegambia was not a success. Britain’s merchants were not willing to follow up its naval and military successes in this region, and French traders were allowed to creep back. The main results of Britain’s initiative were to interrupt French imperial ambitions in the Sénégal valley…

Stone Circles of Senegambia, more than 1,000 megalithic monuments found across the countries of The Gambia and Senegal in western Africa. The stone circles, which are made from pillars of carved stone that are assembled in a ring formation, are situated in a 100-km- (62-mile-) wide zone along a

Egyptian art and architecture: Innovation, decline, and revival from the New Kingdom to the Late period: The sculptures of Senenmut, steward of Hatshepsut, exemplify the development. At least 23 votive statues (some fragmentary) of this royal favorite are known, exhibiting many different forms.

old age, in human beings, the final stage of the normal life span. Definitions of old age are not consistent from the standpoints of biology, demography (conditions of mortality and morbidity), employment and retirement, and sociology. For statistical and public administrative purposes, however,

cytokinin: … (another plant hormone) to retard senescence, which, at least in its early stages, is an organized phase of metabolism and not just a breakdown of tissue. An example of senescence is the yellowing of isolated leaves, which occurs as proteins are broken down and chlorophyll is destroyed. Cytokinins prevent yellowing…

seneschal, in medieval and early modern France, a steward or principal administrator in a royal or noble household. As time went on, the office declined in importance and was often equivalent to that of a bailiff (q.v.); the office and title persisted until the French Revolution. In Merovingian

List of Children’s Games and Toys in Antiquity: Board games: A similar game, senet net hab, or senet, that was popular in Egypt had players race their counters to the other end of their rectangular boards. Ancient Egyptians also played other board games. Mehen, or the snake game, was played on a circular plate with a sectioned snakelike…

List of Children’s Games and Toys in Antiquity: Board games: A similar game, senet net hab, or senet, that was popular in Egypt had players race their counters to the other end of their rectangular boards. Ancient Egyptians also played other board games. Mehen, or the snake game, was played on a circular plate with a sectioned snakelike…

Ludwig Senfl was a Swiss composer, considered the most important German-speaking master of his time. Senfl probably grew up in Zürich, and at about age 10 he joined Holy Roman Emperor Maximilian I’s Hofkapelle choir. He is thought to have entered the priesthood after his voice changed, an option

Arishima Takeo: In 1922 Arishima published Sengen hitotsu (“A Manifesto”), in which he expressed his despairing conviction that only the labouring classes could help themselves and that there was nothing he, as a member of the upper classes, could do for them. That year he distributed his land and farms in…

Fujinomiya: It developed around the Sengen (Asama) Shrine, the main Shintō shrine for the worship of Mount Fuji since the 9th century. During the early part of the Edo (Tokugawa) period (1603–1867), the shogun (military ruler) Tokugawa Ieyasu built an inner shrine, a hall of worship, and a main torii…

Indus River, great trans-Himalayan river of South Asia. It is one of the longest rivers in the world, with a length of some 2,000 miles (3,200 km). Its total drainage area is about 450,000 square miles (1,165,000 square km), of which 175,000 square miles (453,000 square km) lie in the ranges and

China: The Nian Rebellion: …pacification was launched by General Senggelinqin, who led a powerful cavalry into the affected area in 1862, but his pursuit was ineffective, and the general himself was killed in Shandong in May 1865. Thus, the last imperial crack unit disappeared. Zeng Guofan succeeded Senggelinqin as general and enforced a policy…

Léopold Senghor was a poet, teacher, and statesman, the first president of Senegal, and a major proponent of the concept of Negritude. Senghor was the son of a prosperous Serer planter and trader. His mother was a Roman Catholic and sent him to a nearby Catholic mission and seminary in order to

Léopold Senghor was a poet, teacher, and statesman, the first president of Senegal, and a major proponent of the concept of Negritude. Senghor was the son of a prosperous Serer planter and trader. His mother was a Roman Catholic and sent him to a nearby Catholic mission and seminary in order to

elephant shrew, (order Macroscelidea), any of approximately 20 species of rat-sized African mammals named for their long, tapered, and flexible snout (proboscis). All have slim bodies, slender limbs, and very long hind legs and feet. Although they resemble shrews, they are not insectivores but

Senglea: …by the Knights’ grand master Claude de la Sengle. Subsequently fortified, it played an important role during the Turks’ Great Siege of Malta in 1565, when it suffered heavy damage. At that time, Sengle’s successor and the leader of Malta’s defense, Grand Master Jean Parisot de la Valette, bestowed upon…

Senglea, town, one of the Three Cities (the others being Cospicua and Vittoriosa) of eastern Malta. Senglea lies on a small, narrow peninsula between French Creek to the west and Dockyard Creek to the east, just south of Valletta across Grand Harbour. In 1552 a fort was built on the peninsula,

Japan: The emergence of new forces.: …lords, it is called the Sengoku (“Warring States”) period, named for a somewhat similar period in ancient Chinese history.

Sengoku period, time of civil war, political upheaval, and social transformation in Japan that lasted from roughly 1467 to 1600. The weakening of the Ashikaga shogunate led to the rise of independent daimyo (feudal lords) who fought for supremacy across the country. At the height of the Sengoku

Patagonia: Drainage and soils: origin (the Colorado, Negro, Chubut, Senguerr, Chico, and Santa Cruz rivers). Most of the valleys either have intermittent streams—such as the Shehuen, Coig, and Gallegos rivers, which have their sources east of the Andes—or contain streams like the Deseado River, which completely dry up along all or part of their…

Buddhism: Madhyamika (Sanlun/Sanron): …result of the teachings of Sengzhao, Kumarajiva’s disciple, and later of Jizang. Both of these Chinese Madhyamika masters commented on Nagarjuna’s thesis in numerous influential works.

Senigallia, town and episcopal see, Marche regione, central Italy. Senigallia lies along the Adriatic Sea at the mouth of the Misa River. Founded by the Senonian Gauls in the 6th century bc, it became the Roman colony of Sena Gallica in 289 bc. In the 6th century it was one of the five cities of

Plateau Indian: Language: and include the Okanagan, Sinkaietk, Lake, Wenatchee, Sanpoil, Nespelim, Spokan, Kalispel, Pend d’Oreille, Coeur d’Alene, and Flathead peoples. Some early works incorrectly denote all Salishan groups as

mental disorder: Senile and presenile dementia: In these dementias there is a progressive intellectual impairment that proceeds to lethargy, inactivity, and gross physical deterioration and eventually to death within a few years. Presenile dementias are arbitrarily defined as those that begin in persons under age 65. In…

mental disorder: Senile and presenile dementia: In these dementias there is a progressive intellectual impairment that proceeds to lethargy, inactivity, and gross physical deterioration and eventually to death within a few years. Presenile dementias are arbitrarily defined as those that begin in persons under age 65. In…

keratosis: Senile keratosis is a condition marked by sharply outlined, gray to grayish black, slightly elevated flat papules, which are generally associated with aging and exposure to sunlight. They are more frequent in sunny climates and occur on exposed areas of the body—unless ingestion of arsenic…

Alzheimer disease: Neuritic plaques and neurofibrillary tangles: The presence of neuritic plaques and neurofibrillary tangles in the brain are used to diagnose Alzheimer disease in autopsy. Neuritic plaques—also called senile, dendritic, or amyloid plaques—consist of deteriorating neuronal material surrounding deposits of a sticky protein called amyloid beta

Lars Gyllensten: In its sequel, Senilia (1956), the aging process has a similar function in relation to its main character, but this time the inner monologue finds a positive resolution. Sokrates död (1960; “The Death of Socrates”) is a historical novel set in 5th-century-bc Athens. In Lotus i Hades (1966;…

Italo Svevo: …was its successor, Senilità (1898; As a Man Grows Older), featuring another bewildered hero. Svevo had been teaching at a commercial school, and, with Senilità’s failure, he formally gave up writing and became engrossed in his father-in-law’s business.

old age, in human beings, the final stage of the normal life span. Definitions of old age are not consistent from the standpoints of biology, demography (conditions of mortality and morbidity), employment and retirement, and sociology. For statistical and public administrative purposes, however,

Senior Courts of England and Wales, in England and Wales, judicial body that consists of the Court of Appeal, the High Court of Justice, and the Crown Court. Until the Judicature Act of 1873 the English court system was cluttered with courts, most of them dating back to the Middle Ages, with

Call it what you will—incidents of elder fraud, senior identity theft, and elder financial exploitation are on the rise. Although younger adults report higher incidents of fraud than the elderly, seniors are more vulnerable because they typically have so much to lose: personal savings, retirement

As you or your family members age, living options may become an important consideration. Although many older adults prefer to stay in their own homes for as long as possible, others look for living arrangements that offer greater support or a sense of community. Senior living options range from

golf: The Senior PGA Tour: Begun in the early 1980s, the Senior PGA Tour (later renamed the Champions Tour) quickly became popular. Designed for golfers 50 years of age and up, its total purse was $10 million within a few years of its creation, and it had…

Nassau William Senior was a British classical economist who influenced the political and economic policies of his day. Senior was educated at Eton and at the University of Oxford, from which he graduated in 1812. He qualified as a lawyer in 1819. It was as an economist, however, that Senior made

Bolesław III: The senioriate system, a halfway measure between primogeniture and equal distribution among all male heirs, was devised to satisfy all princely heirs; yet it caused dissension and eventually led to the disintegration of the state.

business organization: The modern executive: Because of the seniority system, many are well past middle age before they achieve high status. There are signs that the system is weakening, however, as efforts are more often made to lift promising young men and women out of low-echelon positions. Criticism of the traditional method has…

Mount Hermon, snowcapped ridge on the Lebanon-Syria border west of Damascus. It rises to 9,232 feet (2,814 meters) and is the highest point on the east coast of the Mediterranean Sea. It is sometimes considered the southernmost extension of the Anti-Lebanon range. At its foot rise the two major

Zincirli Höyük, archaeological site in the foothills of the Anti-Taurus Mountains, south-central Turkey. Samal was one of the Late Hittite city-states that perpetuated the more or less Semitized southern Anatolian culture for centuries after the downfall of the Hittite empire (c. 1190 bc). The

Senkaku Islands, small group of uninhabited islands and rocks in the East China Sea. They lie about 105 miles (170 km) northeast of Taiwan and roughly the same distance north of Ishigaki Island in Okinawa ken (prefecture), Japan. They are administered by Japan, which incorporated them in 1895, but

rikka: …discipline through the influence of Senkei, a Buddhist priest and master of the Ikenobō school.

Onomichi: The Buddhist Senko Temple was founded in the 9th century. It is located on the side of a hill that commands a fine view of the city and coast and contains an observatory and a planetarium. Onomichi is connected to Imabari on Shikoku by the multiple-span Kurushima…

Kobayashi Takiji: …of an arrest appeared in Senkyūhyaku nijū hachinen sangatsu jūgo nichi (“The Fifteenth of March, 1928”), recording the local events of an infamous national police crackdown. That story, together with Shimen no tameni (“For the Sake of the Citizen”), Fuzai-jinushi (“Absentee Landlord”), and Kani-kōsen (“The Cannery Boat”), established him as…

Battle: …ridge to the southeast, called Senlac, was the site of the famous Battle of Hastings in which William I the Conqueror defeated the English in 1066. Before the battle William vowed to build an abbey on the spot if victorious, and in 1094 its church was consecrated, with an altar…

Senlis, town, Oise département, Hauts-de-France région, northern France. It lies along the Nonette River, which is a tributary of the Oise, in a forested area 32 miles (51 km) north-northeast of Paris. Senlis, whose name is derived from its 4th-century Roman name, Civitas Silvanectium (“City of the

Franche-Comté: History: …retrocede Franche-Comté to Austria (Treaty of Senlis, 1493). For the next 185 years, Franche-Comté was a Habsburg possession.

senna, any of several species of usually yellow-flowered trees or shrubs, especially of the genera Cassia and Senna, in the pea family (Fabaceae), mostly of subtropical and tropical regions. Many are used medicinally. Some are rich in tannins and yield tanbark used in preparing leather. Some sennas

Formula One: Formula One in popular culture: …including the films listed below:

Ayrton Senna was a Brazilian race-car driver who gained fame for being a fierce competitor renowned for his ruthless and risky maneuvers on the Grand Prix circuit. He rose quickly through the ranks of professional racing, capturing 41 Grand Prix titles and three circuit world championships (1988,

rug and carpet: Materials and technique: The Persian, or asymmetrical, knot is used principally in Iran, India, China, and Egypt. This knot was formerly known as the Senneh (Sehna) knot. The Spanish knot, used mainly in Spain, differs from the other two types in looping around only one warp yarn. After the…

Senneh rug, handwoven floor covering made by Kurds who live in or around the town of Senneh (now more properly Sanandaj) in western Iran. The pile rugs and kilims of Senneh are prized for their delicate pattern and colouring and for their fine weave. They are by far the most sophisticated of the

Ayrton Senna was a Brazilian race-car driver who gained fame for being a fierce competitor renowned for his ruthless and risky maneuvers on the Grand Prix circuit. He rose quickly through the ranks of professional racing, capturing 41 Grand Prix titles and three circuit world championships (1988,

Beth Yerah: …Ptolemy II of Philadelphus, and Sennabris, identified by the ancient Jewish historian Josephus as the northernmost point of the Jordan valley.

Sennacherib was the king of Assyria (705/704–681 bce), son of Sargon II. He made Nineveh his capital, building a new palace, extending and beautifying the city, and erecting inner and outer city walls that still stand. Sennacherib figures prominently in the Old Testament. Sennacherib was the son

history of Mesopotamia: Sennacherib of history of Mesopotamia: Sennacherib built a huge palace in Nineveh, adorned with reliefs, some of them depicting the transport of colossal bull statues by water and by land. Many of the rooms were decorated with pictorial narratives in bas-relief telling of war and of building activities. Considerable advances can be noted in…

Funj Dynasty: …Funj capital, the city of Sennar, on the left bank of the Blue Nile above its confluence with the White Nile, was founded by ʿAmārah Dunqas in 1504–05. The Funj expanded northward from this region at the same time the ʿAbdallabi dynasty was extending its dominion southward from the region…

Sennar Dam, dam impounding the Blue Nile River for irrigation at the town of Sannār in Sudan. Completed in 1925, it is 9,925 feet (3,025 metres) long with a maximum height of 130 feet (40 metres) and irrigates cotton and other crops of the plain of al-Jazirāh

Senneh rug, handwoven floor covering made by Kurds who live in or around the town of Senneh (now more properly Sanandaj) in western Iran. The pile rugs and kilims of Senneh are prized for their delicate pattern and colouring and for their fine weave. They are by far the most sophisticated of the

atomism: The 17th century: …physician and philosopher of nature Daniel Sennert (1572–1637), Democritus’s atomism and the minima theory really amounted to the same thing. As far as philosophy was concerned, Sennert was only interested in the general idea of atomism; the precise content of an atomic doctrine, in his view, ought to be a…

Mack Sennett was the creator of the Keystone Kops and the father of American slapstick comedy in motion pictures. A master of comic timing and effective editing, Sennett was a dominant figure in the silent era of Hollywood film production and was the first director of comedies to develop a

Kim Hong-do: …his portrayal of the “Sennin” (“Immortals”), whom he depicts in an unusual heroic style, showing them full-figured and robust.

Sanūsiyyah, a Muslim Sufi (mystic) brotherhood established in 1837 by Sīdī Muḥammad ibn ʿAlī al-Sanūsī. In modern history, the head of the Sanūsī brotherhood was king of the federal kingdom of Libya from its creation in 1951 until it was superseded by a Socialist republic in 1969. The Sanūsiyyah

Sanūsiyyah, a Muslim Sufi (mystic) brotherhood established in 1837 by Sīdī Muḥammad ibn ʿAlī al-Sanūsī. In modern history, the head of the Sanūsī brotherhood was king of the federal kingdom of Libya from its creation in 1951 until it was superseded by a Socialist republic in 1969. The Sanūsiyyah

August Šenoa was a Croatian novelist, critic, editor, poet, and dramatist who urged the modernization and improvement of Croatian literature and led its transition from Romanticism to Realism. Introducing the historical novel to Croatian literature, Šenoa contributed to the growing sense of