Wilhelm Reich: …the Orgone Energy Accumulator, or orgone box, which he claimed captured and preserved orgone energy in the atmosphere. He later leased orgone boxes as a therapy for many illnesses, including cancer.

Orgueil meteorite, meteorite that fell on the village of Orgueil, near Toulouse, France, in May 1864 and that is often used to infer the relative proportions of elements in the solar system (cosmic abundances). It is classified as a carbonaceous chondrite, a type that comprises the most primitive

Orhan was the second ruler of the Ottoman dynasty, which had been founded by his father, Osman I. Orhan’s reign (1324–60) marked the beginning of Ottoman expansion into the Balkans. Under Orhan’s leadership, the small Ottoman principality in northwestern Anatolia continued to attract Ghazis

Orhan was the second ruler of the Ottoman dynasty, which had been founded by his father, Osman I. Orhan’s reign (1324–60) marked the beginning of Ottoman expansion into the Balkans. Under Orhan’s leadership, the small Ottoman principality in northwestern Anatolia continued to attract Ghazis

Orhon inscriptions, oldest extant Turkish writings, discovered in the valley of the Orhon River, northern Mongolia, in 1889 and deciphered in 1893 by the Danish philologist Vilhelm Thomsen. They are on two large monuments, erected in ad 732 and 735 in honour of the Turkish prince Kül (d. 731) and

Orhon River, river in north-central Mongolia. The river lies entirely within Mongolia and rises from the heavily forested slopes of the Hangayn Mountains. It flows east out of the mountains and then turns north, past Karakorum, the ancient capital of the Mongol empire. The Orhon is separated from

Turkic peoples: …and linguistically connected with the Tujue, the name given by the Chinese to the nomadic people who in the 6th century ce founded an empire stretching from what is now Mongolia and the northern frontier of China to the Black Sea. With some exceptions, notably in the European part of…

Pyrenees: …Pyrenees to the peaks of Orhy and Anie, a succession of mountains rise nearly 9,800 feet; at only a few places, all well to the west, can the chain be crossed through passes lower than 6,500 feet. In both the lower eastern and northwestern sectors, rivers dissect the landscape into…

star cluster: OB and T associations: The richest is Ori T2, with more than 400 members; it has a diameter of 50 by 90 light-years and lies at a distance of 1,300 light-years around the variable star T Ori.

John Ceiriog Hughes: …of verse, the first being Oriau’r Hwyr (1860; “Evening Hours”). Many of his lighthearted lyrics (totalling about 600) were adapted to old Welsh tunes; others were set to original music by various composers. He investigated the history of old Welsh airs and of the harpists with whom the tunes were…

acarid: Annotated classification: Suborder Oribatida (oribatid or beetle mites) Usually strongly sclerotized and slow moving, 0.2–1.5 mm in size; eyes and stigmata absent; pseudostigmata generally present, palps without claws, 3–5 segments; chelicerae usually chelate; rutella present; tarsi with 1–3 claws; ventrally with various shields; majority terrestrial in forest humus and soil, a…

acarid: Annotated classification: Suborder Oribatida (oribatid or beetle mites) Usually strongly sclerotized and slow moving, 0.2–1.5 mm in size; eyes and stigmata absent; pseudostigmata generally present, palps without claws, 3–5 segments; chelicerae usually chelate; rutella present; tarsi with 1–3 claws; ventrally with various shields; majority terrestrial in forest humus and soil, a…

Oribe ware, type of Japanese ceramics, usually glazed in blue or green and first appearing during the Keichō and Genna eras (1596–1624). The name Oribe is derived from Furuta Oribe, a pupil of Sen Rikyū, under whose guidance it was first produced. Some Oribe utensils and functional objects were

Oribe ware, type of Japanese ceramics, usually glazed in blue or green and first appearing during the Keichō and Genna eras (1596–1624). The name Oribe is derived from Furuta Oribe, a pupil of Sen Rikyū, under whose guidance it was first produced. Some Oribe utensils and functional objects were

Manuel Ceferino Oribe was the second president of Uruguay (1835–38), a member of the Treinta y Tres Orientales, the legendary 33 nationalists who successfully fought for Uruguayan independence in the Cisplatine War (1825–28). Although he had been allied with José Fructuoso Rivera, the first

oribi, (Ourebia ourebi), small, swift African antelope, the most gazelle-like of the dwarf antelopes (tribe Neotragini, family Bovidae). It inhabits Africa’s northern and southern savannas, living in pairs or small herds. The oribi has a slender build and is long-limbed and long-necked. It stands

oriel, in architecture, a bay window in an upper story, supported from below by projecting corbels, or brackets of stone or wood. Usually semi-hexagonal or rectangular in plan, oriels first became prevalent early in the 15th century and were a popular way of making the most of sunlight in a

Western architecture: Construction in iron and glass: …(1855–56), by John Baird and Oriel Chambers, Liverpool (1864), by Peter Ellis.

oriel, in architecture, a bay window in an upper story, supported from below by projecting corbels, or brackets of stone or wood. Usually semi-hexagonal or rectangular in plan, oriels first became prevalent early in the 15th century and were a popular way of making the most of sunlight in a

Greece: Late Roman administration: …was in the prefecture of Oriens, as were the Islands. This pattern was radically altered by the developments of the 7th century.

orient, the faint play of colours on the surface of a pearl

Graham Greene: …his own with a thriller, Stamboul Train (1932; also published as Orient Express), which plays off various characters against each other as they ride a train from the English Channel to Istanbul. This was the first of a string of novels that he termed “entertainments,” works similar to thrillers in…

Fayṣal ibn ʿAbd al-Qādir al-Ḥusaynī: Al-Ḥusaynī’s home, Orient House, served as the unofficial PLO headquarters in east Jerusalem and also came to house the Arab Studies Center, an organization he helped found in 1979 that conducted research on issues pertaining to Palestinians. Al-Ḥusaynī died of a heart attack while on a PLO…

Orient-Express, luxury train that ran from Paris to Constantinople (Istanbul) for more than 80 years (1883–1977). Europe’s first transcontinental express, it initially covered a route of more than 1,700 miles (about 2,740 km) that included brief stopovers in such cities as Munich, Vienna, Budapest,

arborvitae: The oriental, or Chinese, arborvitae (T. orientalis), a popular ornamental native to Asia, is a gracefully symmetrical shrub about 10 metres (33 feet) tall. Some authorities have assigned it to a separate genus (Biota) because of distinctions such as its erect branches, vertically arranged, fanlike branchlet systems, and…

beech: Major species: The Oriental beech (F. orientalis), a pyramidal Eurasian tree about 30 metres (100 feet) tall, has a grayish white trunk and wavy-margined wedge-shaped leaves up to 15 cm (6 inches) long.

bittersweet: scandens), and the Oriental bittersweet (C. orbiculatus), woody vines grown as ornamentals. The flowers, in whitish clusters, are followed by yellow to orange capsules, which split to reveal yellow to crimson arils enclosing the seeds. Oriental bittersweet is a more vigorous climber, reaching up to 12 metres (40…

fluke: The Oriental blood fluke, which occurs primarily in China, Japan, Taiwan, the East Indies, and the Philippine Islands, differs from S. mansoni and S. haematobium in that it may attack vertebrates other than man, including various domestic animals, rats, and mice. Snails of the genus Oncomelania…

cutaneous leishmaniasis, infectious skin disease that is caused by any of multiple different trypanosome parasites in the genus Leishmania. The disease is the most commonly occurring form of leishmaniasis and is prevalent especially in the Americas, Asia, the Mediterranean, and the Middle East.

rug and carpet: Oriental carpets: Oriental carpets are those made in western and Central Asia, North Africa, and the Caucasus region of Europe. Rug design, in western Asia at least, had gone beyond felt and plaited mats before the 1st millennium bc. A threshold rug represented in a…

cymophane, variety of the gemstone chrysoberyl

viverrid: Viverrid diversity: …secretions and those of the Oriental civets (genera Viverricula and Viverra) are used in the perfume industry, and captured civets are kept specifically for the production of “civet musk.” For this reason the African civet is probably the most economically important viverrid.

cockroach: Family Blattidae: …in the family is the Oriental cockroach, or black cockroach (Blatta orientalis), which is considered to be one of the most notorious household pests. It is oval, shiny black or dark brown, and 25 to 30 mm (1 to 1.2 inches) long, with a life cycle similar to that of…

hydraulic civilization: …the term in his book Oriental Despotism (1957). He believed that such civilizations—although neither all in the Orient nor characteristic of all Oriental societies—were quite different from those of the West.

annelid: Regeneration: …obtained in an earthworm (Perionyx excavatus). A piece removed from the anterior end regenerates a head at both cut ends if the cuts are made simultaneously. If the new anterior head then is removed, the posterior head becomes dominant and evokes tail regeneration at the surface from which the…

fruit fly: …which attacks citrus crops; the Oriental fruit fly (Dacus dorsalis), which infests many kinds of subtropical fruits; and the olive fruit fly (Dacus oleae), which destroys olives in the Mediterranean region. Control methods vary with the species involved and include spraying of fruits with insecticides during the egg-laying season, destruction…

olethreutid moth: …pomonella) and Cydia molesta, the Oriental fruit moth (previously Laspeyresia, or Grapholitha, molesta). Though originally from Europe, the codling moth exists wherever apples are grown. The larvae burrow in the apples and, when fully grown, emerge and pupate under debris or bark or in loose soil.

squirrel: General features: …are the four species of Oriental giant squirrels (genus Ratufa) native to the tropical forests of Southeast Asia. Weighing 1.5 to 3 kg (3 to almost 7 pounds), it has a body length of 25 to 46 cm (about 10 to 18 inches) and a tail about as long. Two…

greenfinch: The Chinese, or Oriental, greenfinch (C. sinica) of eastern Asia is a dooryard bird in Japan.

owl: Ecology: The Southeast Asian hawk owl (Ninox scutulata) sallies from a perch to take flying insects. The whiskered owl (Otus trichopsis) takes flying insects in foliage. Fish owls (Ketupa and Scotopelia) are adapted for taking live fish but also eat other animals. Specialized forms of feeding behaviour…

Anna Pavlova: She compiled these studies into Oriental Impressions, collaborating on the Indian scenes with Uday Shankar, later to become one of the greatest performers of Indian dance, and in this way playing an important part in the renaissance of the dance in India.

Mizrahi Jew, member or descendant of the approximately 1.5 million Jews who lived in North Africa and the Middle East up until the mid-20th century and whose ancestors did not previously reside in Europe. Collectively labeled ʿEdot Ha-Mizraḥ (Hebrew: “Ethnic Groups of the East”) in Israel upon

Oriental lacquer, varnish resin derived from a tree indigenous to China, species Rhus vernicifera, commonly known as the varnish tree (q.v.). The manufacturing process was introduced into Japan and remained secret for centuries. A milklike emulsion secured from the tree is concentrated by

fluke: …or Oriental, liver fluke (Opisthorchis sinensis, or Clonorchis sinensis). F. hepatica causes the highly destructive “liver rot” in sheep and other domestic animals. Man may become infested with this fluke by eating uncooked vegetables.

pottery: European influence and the export trade: …porcelain, still sometimes known as Oriental Lowestoft. The name is due to an error on the part of William Chaffers (the author of a book on pottery marks), who persisted in attributing these wares to the small English factory at Lowestoft. If this porcelain is important at all, it is…

Christianity: Oriental Orthodoxy: The other main branch of Orthodoxy is constituted by the six national churches of the Oriental Orthodox communion: the Armenian Apostolic Church, the Coptic Orthodox Church of Alexandria, the Syriac Orthodox Patriarchate of Antioch and All the East,

persimmon: The Japanese persimmon (Diospyros kaki), an important and extensively grown fruit in China and Japan, where it is known as kaki, was introduced into France and other Mediterranean countries in the 19th century and grown to a limited extent there. Introduced into the United States a…

plane tree: …southeastern Europe to India, the Oriental plane (P. orientalis) reaches 30 m (100 feet) with huge, often squat boles—some measuring nearly 10 m in circumference (about 10 feet in diameter). Its bristly seedballs hang in clusters of two to six. The London plane (P. acerifolia), a hybrid between the American…

poppy: Major Papaver species: The Oriental poppy (P. orientale), native to the Middle East, has 15-cm (6-inch) scarlet, salmon, pink, white, or red blooms on 1.2-metre- (4-foot-) tall long-lived perennial plants. The white-and-red or white-and-pink Shirley poppy is an annual variety developed from the corn poppy (P. rhoeas). The long-headed…

plague: History: …results of experiments demonstrating that Oriental rat fleas (Xenopsylla cheopis) carried the plague bacillus between rats. It was then demonstrated definitively that rat fleas would infest humans and transmit plague through their bites. With that, massive rat-proofing measures were instituted worldwide in maritime vessels and port facilities, and insecticides were…

Asia: The Oriental region: The greater part of the Oriental region is tropical. The northwestern part is dry and partly desert, so animal life is chiefly confined to the forms related to those of the dry parts of the Ethiopian and Palearctic regions. Elsewhere, monkeys are…

Uruguay, country located on the southeastern coast of South America. The second smallest country on the continent, Uruguay has long been overshadowed politically and economically by the adjacent republics of Brazil and Argentina, with both of which it has many cultural and historical similarities.

cutaneous leishmaniasis, infectious skin disease that is caused by any of multiple different trypanosome parasites in the genus Leishmania. The disease is the most commonly occurring form of leishmaniasis and is prevalent especially in the Americas, Asia, the Mediterranean, and the Middle East.

sweet gum: …or Turkish, sweet gum (L. orientalis). The Formosan gum (L. formosana), with three-lobed leaves, is widely grown as a garden tree in mild climates.

water shrew: …there are several species of Oriental water shrews (genus Chimarrogale) and three species of Old World water shrews (genus Neomys). All are classified in the family Soricidae of the order Soricimorpha, which belongs to a larger group of mammals referred to as insectivores.

Andes Mountains: Physiography of the Northern Andes: …and has been named the Cordillera Oriental. The range appears to be an ancient alluvial formation that has been divided by rivers and heavy rainfall into a number of mountain masses. Such masses as the cordilleras of Guacamayo, Galeras, and Lumbaquí are isolated or form irregular short chains and are…

Cordillera Real, major mountain system, the easternmost of the two in Bolivia. It extends generally north-south for about 750 miles (1,200 km) through the length of the country. The Cordillera Real separates the lowlands of the Amazon River basin to the east from the high plateaus of the Altiplano

Andes Mountains: …and western ranges—respectively named the Cordillera Oriental and the Cordillera Occidental—are characteristic of most of the system. The directional trend of both the cordilleras generally is north-south, but in several places the Cordillera Oriental bulges eastward to form either isolated peninsula-like ranges or such high intermontane plateau regions as the…

Andes Mountains: Physiography of the Central Andes: Cordilleras Occidental, Central, and Oriental. In the Cordillera Occidental, at latitude 10° S, the deep, narrow Huaylas Valley separates two ranges, Cordillera Blanca to the east and Cordillera Negra to the west; the Santa River runs between them and cuts Cordillera Negra to drain into the Pacific. Cordillera Blanca…

Moon: Effects of impacts and volcanism: …example is Orientale Basin, or Mare Orientale, whose mountain walls can just be seen from Earth near the Moon’s limb (the apparent edge of the lunar disk) when the lunar libration is favorable. Its multi-ring ramparts are characteristic of the largest basins; they are accented by the partial lava flooding…

Victor Hugo: Early years (1802–30): …also characteristic of another collection, Les Orientales (1829), which appealed to the Romantic taste for Oriental local colour. In these poems Hugo, while skillfully employing a great variety of metres in his verse and using ardent and brilliant imagery, was also gradually shedding the legitimist royalism of his youth. It…

art market: Orientalism: The market for Asian arts enjoyed a significant revival in Paris in the middle of the 19th century. The 1862 opening of Mme Desoye’s shop, La Porte Chinoise, in the rue de Rivoli, encouraged a taste for blue and white porcelain and Japanese prints.…

Félicien-César David: …opened the door for the Oriental exoticism that was to become a fixture in French Romantic music.

Edward Said: …1977, and in 1978 published Orientalism, his best-known work and one of the most influential scholarly books of the 20th century. In it Said examined Western scholarship of the “Orient,” specifically of the Arab Islamic world (though he was an Arab Christian), and argued that early scholarship by Westerners in…

Orientalism, Western scholarly discipline of the 18th and 19th centuries that encompassed the study of the languages, literatures, religions, philosophies, histories, art, and laws of Asian societies, especially ancient ones. Such scholarship also inspired broader intellectual and artistic circles

Western architecture: The Orientalizing period: From about 650 on, the Greeks began to visit Egypt regularly, and their observation of the monumental stone buildings there was the genesis of the ultimate development of monumental architecture and sculpture in Greece. The first step in architecture was simply the replacement…

D. Wayne Lukas: …two years later Lukas primed Orientate for a win at the Breeder’s Cup. He guided the filly Folklore to a Breeder’s Cup win in 2005. He held the Breeder’s Cup record with 20 wins. In 2013 Lukas claimed an unprecedented 14th Triple Crown race win with Oxbow’s victory in the…

migration: Navigation and orientation: Migrants often return to breed in the exact locality where they were hatched or born. This journey homeward, particularly that of birds, may cover thousands of miles.

mechanics: Configuration space: … and 3 to give the orientation of the body. Thus, in this case, the constraint has reduced the number of independent coordinates from 3N to 6. Rather than restricting the behaviour of the system to a portion of the original 3N-dimensional configuration space, it is possible to describe the system…

orientation, (from Latin oriens, orientum, “the rising sun”), in architecture, the position of a building in relation to an east-west axis. In Mesopotamia and Egypt, as well as in pre-Columbian Central America, the important features of the buildings, such as entrances and passages, faced east, in

man-made fibre: Stretching and orientation: The spinning processes described above produce some orientation of the long polymers that form spun filaments. Orientation is completed by stretching, or drawing, the filament, a process that pulls the long polymer chains into alignment along the longitudinal axis of the fibre and causes…

photoreception: Central processing of visual information: Cells with the same preferred orientation are grouped in columns that extend through the depth of the cortex. The columns are grouped around a central point, similar to the spokes of a wheel, and preferred orientation changes systematically around each hub. Within a column the responses of the cells vary…

chromatography: Retention: …in other molecules, (3) an orientation effect, caused by the mutual attraction of polar molecules resulting from alignment of dipoles (positive charges separated from negative charges), (4) hydrogen bonding between dipolar molecules bearing electron-pair-accepting hydrogen atoms, and (5) acid-base interactions in the Lewis acid-base sense—i.e., the affinity of

liquid: Speed of sound and electric properties: The third effect, orientation polarization, occurs with molecules that have permanent dipole moments. These molecules are partially aligned by the field and contribute heavily to the polarization. Thus, the dielectric constant of a nonpolar liquid, such as a hydrocarbon, is about 2, that of a weakly polar liquid,…

Oriente, region of eastern Ecuador, comprising the eastern slopes of the Ecuadorian Andes and the lowland areas of rainforest in the Amazon basin. It is bounded on the north by San Miguel and Putumayo rivers and on the east and south by Peru. Oriente has an area of about 50,000 square miles

Madrid: The city layout: One of the squares, the Plaza de Oriente, facing the palace of the same name, was cleared of 56 houses, a library, a church, and several convents.

Santiago de Cuba: The University of Oriente (founded 1947), a medical school, a sports stadium, a cathedral, and several museums are located in the city, which is a cultural and tourism centre. The city has a multiethnic population and is home to the largest number of descendants of Africans…

orienteering, outdoor competitive sport that is similar to cross-country running, but with emphasis on map-reading and direction-finding skills. Through woods and over hills or rough plains, contestants plot courses between isolated control points that must usually be visited in sequence.

attention: 19th-century roots: …usually referred to as the orienting response. In dogs and other animals this includes such signs of attention as pricked-up ears, head turned toward the stimulus, increased muscular tension, and physiological changes detectable with instruments. Further influence came from work on reflexology by one of Pavlov’s competitors, Russian Vladimir M.…

air pollution control: Scrubbers: In orifice scrubbers and wet-impingement scrubbers, the air-and-droplet mixture collides with a solid surface. Collision with a surface atomizes the droplets, reducing droplet size and thereby increasing total surface contact area. These devices have the advantage of lower water-recirculation rates, and they offer removal efficiencies of…

Suger: …rode into battle carrying the Oriflamme, the banner of Saint-Denis, which normally rested in the church along with the relics of the saint. As a result of his (and Suger’s) appeal to the nobility’s veneration for the saint, he was followed by a larger army of nobles than had ever…

origami, art of folding objects out of paper to create both two-dimensional and three-dimensional subjects. The word origami (from Japanese oru [“to fold”] and kami [“paper”]) has become the generic description of this art form, although some European historians feel it places undue weight on the

Lamiaceae: Major genera and species: The genus Origanum, native in Europe, includes 15 to 20 species, chief among them being marjoram (O. majorana) and oregano (O. vulgare).

dittany: … (common dittany; Cunila origanoides), and dittany of Crete (Cretan dittany, or hop marjoram; Origanum dictamnus). European dittany is in the rue family (Rutaceae), while the other two species are in the mint family (Lamiaceae). All three species are bushy perennials cultivated for their aromatic foliage.

marjoram, (Origanum majorana), perennial plant of the mint family (Lamiaceae), grown as a culinary herb. Its fresh or dried leaves and flowering tops are used to season many foods, imparting a warm, aromatic, slightly sharp, and bitterish flavour. Marjoram is particularly appreciated for the taste

marjoram: Pot marjoram (O. onites) is also cultivated for its aromatic leaves and is used to flavour food. Oregano, or wild marjoram (O. vulgare), is a popular culinary herb native to Europe and Asia.

oregano, (Origanum vulgare), aromatic perennial herb of the mint family (Lamiaceae) known for its flavourful dried leaves and flowering tops. Oregano is native to the hills of the Mediterranean countries and western Asia and has naturalized in parts of Mexico and the United States. The herb has

Juanes: His 10th studio album, Origen (2021), was a tribute to his musical roots; a companion documentary was also released that year.

Origen was the most important theologian and biblical scholar of the early Greek church. His greatest work is the Hexapla, which is a synopsis of six versions of the Old Testament. Origen was born of pagan parents, according to the Neoplatonist philosopher Porphyry, but of Christian parents,

Ernesto Cardenal: …Especies, y Otros Poemas (2011; Origin of the Species, and Other Poems). He won numerous awards and honours.

animal: Types of skeletons and their distribution: …a muscle is called the origin, the other the insertion. One muscle contracts and moves the skeletal element on which it is inserted, and an antagonistic muscle contracts and moves the skeletal element in the opposite direction. The biceps and triceps of the upper arm in humans are such a…

Dan Brown: …fifth installment in the series, Origin, was released the following year.

Edward Westermarck: …however, is considered to be The Origin and Development of the Moral Ideas, 2 vol. (1906–08), in which he proposed a theory of ethical relativity according to which moral judgments are ultimately based on emotions of approval and disapproval rather than on intellect. Viewing ethics as a sociological and psychological…

Karl Jaspers: Postwar development of thought: …und Ziel der Geschichte (1949; The Origin and Goal of History, 1953). At the centre of history is the axial period (from 800 to 200 bc), during which time all the fundamental creations that underlie man’s current civilization came into being. Following from the insights that came to him in…

Frederick Orpen Bower: …work, summarized in his classic The Origin of a Land Flora (1908), have done much to coordinate paleobotany and plant morphology in a widespread study of plant evolution. Bower also wrote The Ferns, 3 vol. (1923–28), Size and Form in Plants (1930), and Primitive Land Plants (1935).

George Gamow: …in a paper called “The Origin of Chemical Elements” (1948). This paper, attempting to explain the distribution of chemical elements throughout the universe, posits a primeval thermonuclear explosion, the big bang that began the universe. According to the theory, after the big bang, atomic nuclei were built up by the…

study of religion: Theories concerning the origins of religion: His book, The Origin of Civilization and the Primitive Condition of Man, outlined an evolutionary scheme, beginning with atheism (the absence of religious ideas) and continuing with fetishism, nature worship, and totemism (a system of belief involving the relationship of specific animals to clans), shamanism (a system…

Alfred Wegener: …der Kontinente und Ozeane (The Origin of Continents and Oceans). He searched the scientific literature for geological and paleontological evidence that would buttress his theory, and he was able to point to many closely related fossil organisms and similar rock strata that occurred on widely separated continents, particularly those…

Antonio Rosmini-Serbati: (1830; The Origin of Ideas), embroiled him in theological controversies throughout his lifetime. His philosophy attempted to reconcile Catholic theology with modern political and social thought. The centre of his philosophical system is the concept of ideal being, which is a reflection of God in humankind;…

life: The origin of life: Perhaps the most fundamental and at the same time the least understood biological problem is the origin of life. It is central to many scientific and philosophical problems and to any consideration of extraterrestrial life. Most of the hypotheses of the…