You are using an outdated browser. Please upgrade your browser to improve your experience and security.
  • Three Officials (Chinese mythology)

    Sanguan, in Chinese Daoism, the Three Officials: Tianguan, official of heaven who bestows happiness; Diguan, official of earth who grants remission of sins; and Shuiguan, official of water who averts misfortune. The Chinese theatre did much to popularize Tianguan by introducing a skit before each

  • Three on a Couch (film by Lewis [1966])

    Jerry Lewis: Three on a Couch (1966) cast him as an artist trying to woo a psychiatrist (Janet Leigh); The Big Mouth (1967) saw him searching for treasure; and Which Way to the Front? (1970) was a World War II comedy. He also directed the comic mystery…

  • Three Orders, The: Feudal Society Imagined (work by Duby)

    Georges Duby: …de France, the extraordinarily rich The Three Orders: Feudal Society Imagined (1978) explored the origins and medieval development of the three estates in French society and was the product of his early seminars at the Collège. A consideration of an idea that played an important role in the history of…

  • Three Pagodas Pass (mountain pass, Myanmar-Thailand)

    Three Pagodas Pass, mountain pass in the Tenasserim Mountain Range on the Myanmar (Burma)-Thailand border, 100 miles (160 km) southeast of Moulmein, Myanmar. The pass, at an elevation of 925 feet (282 m), links southeastern Myanmar and western Thailand. For centuries it was the chief link between

  • Three Philosophers, The (work by Giorgione)

    Giorgione: Works: The Three Philosophers (c. 1510) is one of the works Michiel saw and specifically identified as being by Giorgione. He stated, however, that it was completed by the Venetian painter Sebastiano del Piombo after the master’s death. The composition and colour are so fully Giorgione’s…

  • Three Philosophical Poets: Lucretius, Dante, and Goethe (work by Santayana)

    George Santayana: Early life and career: …essays, gathered into two volumes: Three Philosophical Poets: Lucretius, Dante, and Goethe (1910); and Winds of Doctrine (1913), in which the poetry of Percy Bysshe Shelley and the philosophies of Henri Bergson, a French evolutionary philosopher, and of Bertrand Russell are trenchantly discussed.

  • Three Piano Pieces, Opus 11 (work by Schoenberg)

    Arnold Schoenberg: Evolution from tonality: …pieces that constitute his opus 11, the first composition ever to dispense completely with “tonal” means of organization. Such pieces, in which no one tonal centre exists and in which any harmonic or melodic combination of tones may be sounded without restrictions of any kind, are usually called atonal, although…

  • Three Pieces for String Quartet (work by Stravinsky)

    counterpoint: The 20th century: Stravinsky’s Three Pieces for String Quartet (No. 1) suggests four keys at the same time: G, B, D, and A?. In this particular work each instrument is limited throughout the piece to a few notes assigned to it. Thus each part is absolutely individual and, except…

  • Three Pillars of Zen, The (book by Kapleau)

    Philip Kapleau: That year he published The Three Pillars of Zen, a seminal work that has since been translated into several languages. The following year Kapleau founded the Rochester Zen Center, which became one of the major focal points of Zen education in America. He taught at the center for nearly…

  • Three Places in New England (work by Ives)

    Three Places in New England, composition for orchestra by American composer Charles Ives, completed and much revised in the first decades of the 20th century and published in its best-known version in 1935. Its three movements portray scenes from the composer’s native New England and feature much

  • Three Plastic Virtues, The (essay by Apollinaire)

    art criticism: Critical response to early avant-garde art: …1908, in his essay “The Three Plastic Virtues,” poet and critic Guillaume Apollinaire argued that “the three plastic virtues, [of] purity, unity, and truth” had “triumphantly vanquished over nature” in Cubism. His assertion was the final stamp of approval on what might be called abstract primitivism in art and…

  • Three Plays for Puritans (plays by Shaw)

    George Bernard Shaw: First plays: Shaw’s next collection of plays, Three Plays for Puritans (1901), continued what became the traditional Shavian preface—an introductory essay in an electric prose style dealing as much with the themes suggested by the plays as the plays themselves. The Devil’s Disciple (performed 1897) is a play set in New Hampshire…

  • Three Port Elizabeth Plays (work by Fugard)

    Athol Fugard: …later published under the title Three Port Elizabeth Plays (1974). Boesman and Lena, filmed in 1973 with Fugard as Boesman, played to a wider audience than any previous South African play; another film adaptation was released in 2000.

  • Three Principles of the People (Chinese ideology)

    Three Principles of the People, the ideological basis of the political program of the Chinese Nationalist leader Sun Yat-sen (1866–1925), championing the principles of nationalism, democracy, and socialism. The principles were originally formulated as slogans for Sun’s revolutionary student group,

  • Three Red Banners (Chinese history)

    China: New directions in national policy, 1958–61: …inauguration in 1958 of “Three Red Banners”—i.e., the general line of socialist construction, the Great Leap Forward, and the rural people’s communes—are still not fully known. Undoubtedly, a complex mixture of forces came into play. Mao personally felt increasingly uncomfortable with the alliance with the Soviet Union and with…

  • Three Refuges (Buddhism and Jainism)

    Triratna, (Sanskrit: “Three Jewels”) in Buddhism the Triratna comprises the Buddha, the dharma (doctrine, or teaching), and the sangha (the monastic order, or community). One becomes a Buddhist by saying the words “I go to the Buddha for refuge, I go to the Doctrine for refuge, I go to the Order

  • Three Religions (Chinese religious movement)

    Daoism: Syncretism: …origin was that of the Three Religions (sanjiao). Its composite moral teachings are represented by popular tracts, the so-called “books on goodness” (shanshu), which have been in extremely wide circulation since the Ming dynasty (1368–1644).

  • Three Resolutions (English history)

    United Kingdom: The politics of war: …restrained the speaker while the Three Resolutions (1629), condemning the collection of tonnage and poundage as well as the doctrine and practice of Arminianism, were introduced. Parliament broke up in pandemonium, with both king and members shocked by the “carriage of diverse fiery spirits.”

  • Three Rival Versions of Moral Enquiry (work by MacIntyre)

    Alasdair MacIntyre: After Virtue and later works: …Justice? Which Rationality? (1988) and Three Rival Versions of Moral Enquiry (1990) that justification of such large-scale viewpoints must proceed historically: in order to assess the rationality of adherence to large-scale viewpoints—MacIntyre called them “traditions”—one must look to the history of their development. Traditions are often so different from each…

  • Three Rivers (district, England, United Kingdom)

    Three Rivers, district, administrative and historic county of Hertfordshire, southeast England, in the southwestern corner of the county. Three Rivers district is essentially a dormitory suburban area on the northwest border of Greater London. Rickmansworth is the district seat. The district’s

  • Three Rivers (Quebec, Canada)

    Trois-Rivières, city, Mauricie–Bois-Francs region, southern Quebec province, Canada. It lies on the north shore of the St. Lawrence River, at the mouth of the Saint-Maurice River. Trois-Rivières was founded in 1634 by the French explorer Samuel de Champlain and named for the three channels at the

  • Three Rivers Stadium (stadium, Pittsburgh, Pennsylvania, United States)

    Pittsburgh Pirates: …60 years, to play in Three Rivers Stadium, where the power hitting of Willie Stargell and Dave Parker helped them clinch the NL Eastern Division six times and win World Series championships in 1971 and 1979. In the mid-1980s the Pirates acquired sluggers Barry Bonds and Bobby Bonilla, and the…

  • Three Sad Tigers (film by Ruiz [1968])

    Third Cinema: …Ruiz’s Tres tristes tigres (1968; Three Sad Tigers), which provided a variety of options for social change in its examination of the Santiago underworld through a single handheld camera, emphasizing the city’s atmosphere of entrapment. The Third Cinema approach spread worldwide through international exposure, especially in Europe, overcoming the obstacles…

  • Three Sisters (painting by Palma)

    Jacopo Palma: …in such works as the Three Sisters. That work, along with many of his later paintings, shows the influence of Lorenzo Lotto. Sixty-two of Palma’s works remained unfinished at his death and were finished by his pupils. Presumably, this accounts for the variable quality of his work.

  • Three Sisters (play by Chekhov)

    Three Sisters, Russian drama in four acts by Anton Chekhov, first performed in Moscow in 1901 and published as Tri sestry in the same year. The Prozorov sisters (Olga, Masha, and Irina) yearn for the excitement of Moscow; their dreary provincial life is enlivened only by the arrival of the Imperial

  • Three Sisters, The (novel by Sinclair)

    May Sinclair: …and published several novels, including The Three Sisters (1914), which is based loosely on the lives of the Bront? sisters and examines the repressiveness of Victorian and Edwardian society. That was to be the first of what are categorized as her psychological novels, or works that investigated psychological concepts such…

  • Three Sorrows of Storytelling, The (ancient Irish literature)

    Deirdre: …Three Sorrows of Storytelling (Tri Truaighe Scéalaigheachta). The older version, preserved in The Book of Leinster (c. 1160), is more starkly tragic, less polished, and less romantic than the later version. It describes a Druid’s foretelling, at Deirdre’s birth, that many men would die on her account. Raised in…

  • three stages, law of (sociology)

    Western philosophy: Positivism and social theory in Comte, Mill, and Marx: Comte’s contribution was to initiate an antireligious and an antimetaphysical bias in the philosophy…

  • Three Stigmata of Palmer Eldritch, The (novel by Dick)

    Philip K. Dick: …television series 2015– ), and The Three Stigmata of Palmer Eldritch (1965), the protagonists must determine their own orientation in an “alternate world.” Beginning with The Simulacra (1964) and culminating in Do Androids Dream of Electric Sheep? (1968; adapted for film as Blade Runner [1982]), the illusion centres on artificial…

  • Three Stooges, The (film by Bobby and Peter Farrelly [2012])

    the Three Stooges: The movie The Three Stooges, in which a new cast inhabited the familiar roles, was released in 2012.

  • Three Stooges, the (American actors)

    The Three Stooges, American comedy team noted for violent anarchic slapstick and comedy routines rooted in the burlesque tradition. Six men were members of the team throughout the years: Shemp Howard (original name Samuel Horwitz; b. March 17, 1895, New York, New York, U.S.—d. November 23, 1955,

  • Three Strangers (film by Negulesco [1946])

    Jean Negulesco: Film noirs and Johnny Belinda: …other credits that year were Three Strangers, an offbeat noir with Lorre, Greenstreet, and Fitzgerald as joint holders of a sweepstakes ticket, and Humoresque, a romantic drama that starred Garfield (as a violinist who hungers for success) and Joan Crawford (as the wealthy but unstable patron who falls for him).

  • three strikes law

    halfway house: Contemporary halfway houses: …study conducted in 2000, the three-strikes law in California, enacted in 1994 by the legislature and citizen initiative, in its first six years snared over 50,000 “strikers,” each eligible for at least a doubling of their normal sentence, with 5,887 “third strikers” sentenced to 25 years to life in prison.

  • Three Tales (work by Flaubert)

    Gustave Flaubert: Later years: …Pécuchet, in order to write Trois Contes, containing the three short stories “Un Coeur simple,” a tale about the drab and simple life of a faithful servant; “La Légende de Saint Julien l’Hospitalier”; and “Hérodias.” This book, through the diversity of the stories’ themes, shows Flaubert’s talent in all its…

  • Three Tall Women (play by Albee)

    American literature: Miller, Williams, and Albee: …with a complex autobiographical drama, Three Tall Women (1994).

  • Three Tenors, the (international singing group)

    José Carreras: As one of the “Three Tenors” (together with the Italian singer Luciano Pavarotti and the Spanish singer Plácido Domingo), Carreras helped find a larger popular audience for opera.

  • Three Times a Lady (song by Richie)

    Lionel Richie: …100 number one hit: “Three Times a Lady,” a sentimental ballad in waltz time. The song was written and sung by Richie, who had been inspired by the celebration of his parents’ 37th wedding anniversary. In 1979 the group scored another number one hit with Richie’s love song “Still.”…

  • Three Trapped Tigers (work by Cabrera Infante)

    Guillermo Cabrera Infante: …he acquired international renown with Tres tristes tigres (1964; Three Trapped Tigers), winner of the Bibliotheca Breve Prize given by the Spanish publisher Seix Barral. In the manner of James Joyce’s Ulysses, this highly successful novel chronicles the adventures of several young characters in Havana’s prerevolutionary nightlife. It is a…

  • Three Treatises (work by Harris)

    aesthetics: Major concerns of 18th-century aesthetics: …forward by James Harris in Three Treatises (1744) and subsequently made famous by Charles Batteux in a book entitled Les Beaux Arts réduits à un même principe (1746; “The Fine Arts Reduced to a Single Principle”). This diffuse and ill-argued work contains the first modern attempt to give a systematic…

  • Three Treatises school (Buddhism)

    San-lun, school of Chinese Buddhism derived from the Indian Mādhyamika school. See

  • Three Views of Mt. Fuji (play by Shange)

    Ntozake Shange: …Mississippi Meets the Amazon (1977), Three Views of Mt. Fuji (1987), and The Love Space Demands: A Continuing Saga (1992).

  • Three Virgins and a Devil (ballet by de Mille)

    Agnes de Mille: …The Harvest According (1952), and Three Virgins and a Devil (1941).

  • Three Weeks (work by Glyn)

    Elinor Glyn: Three Weeks (1907), the story of a Balkan queen’s adulterous relationship with an Englishman, caused a sensation. It was widely read and condemned. His Hour (1910), one of her best romances, was set in the court of St. Petersburg and was executed in a keenly…

  • Three Weeks (Judaism)

    Three Weeks, (“Between the Straits”), in Judaism, a period of mourning running from the 17th day of Tammuz, the fourth month of the Jewish religious year, to the 9th day of Av (Tisha be-Av), the fifth month (variously, about June to August). The observance commemorates the days between the first b

  • Three Weeks with My Brother (work by Sparks)

    Nicholas Sparks: …in his only nonfiction work, Three Weeks with My Brother (2004), in which he and his brother, Micah, shared their own emotional responses to the deaths of their parents and sister.

  • three wells problem (mathematical puzzle)

    number game: Graphs and networks: …involves the problem of the three wells. Here (Figure 14) A, B, and C represent three neighbours’ houses, and R, S, and T three wells. It is desired to have paths leading from each house to each well, allowing no path to cross any other path. The proof that the…

  • Three Wise Men (biblical figures)

    Magi, in Christian tradition, the noble pilgrims “from the East” who followed a miraculous guiding star to Bethlehem, where they paid homage to the infant Jesus as king of the Jews (Matthew 2:1–12). Christian theological tradition has always stressed that Gentiles as well as Jews came to worship

  • Three Witches (fictional characters)

    Weird Sisters, the creatures who prophesy the destinies of the main characters in Shakespeare’s Macbeth. The term Weird Sisters was first used by Scots writers as a sobriquet for the Fates of Greek and Roman mythology. Through its appearance in Raphael Holinshed’s Chronicles, the expression passed

  • Three Women (painting by Léger)

    Fernand Léger: Three Women (1921) is considered to be the masterpiece of Léger’s mechanical period.

  • Three Women (play by Plath)

    Sylvia Plath: In 2009 Plath’s radio play Three Women (1962) was staged professionally for the first time. A volume of Plath’s letters, written in 1940–56, was published in 2017. A second collection—which contained her later letters, including a number of candid notes to her psychiatrist—appeared the following year. In 2019 the story…

  • Three Women Around the Table (painting by Carrington)

    Leonora Carrington: …of three women, such as Three Women Around the Table (1951); they are presumed to be paintings of herself, Varo, and Kati Horna, another friend. Carrington flourished in Mexico and painted fantastical compositions that portrayed metamorphoses. In 1946 she married Hungarian photographer Emerico Weisz and bore two children (1946 and…

  • Three Women in Church (painting by Leibl)

    Wilhelm Leibl: , Three Women in Church, 1878–82). Later he abandoned the hard brilliance of his former works and drew softer outlines. He followed his own strong instinct for colour, reproducing what he saw with a bold, sure touch (e.g., In the Kitchen, 1898). His superb technique enabled…

  • Three Worlds According to King Ruang (cosmology)

    Three Worlds According to King Ruang, (Thai: “Traiphumikatha”) 14th-century cosmology that is the oldest known full-length text written in Thai. See

  • Three Young Men, Song of the (Old Testament)

    biblical literature: The Prayer of Azariah and the Song of the Three Young Men: The first addition to Daniel (in Greek and Latin translations Dan. 3:24–68) contains the Prayer of Azariah and the Song of the Three Young Men. These are the prayers of Hananiah, Mishael, and Azariah, the three young men who…

  • Three’s Company (American television series)

    Television in the United States: Jiggle TV: …beachwear and other revealing attire; Three’s Company (ABC, 1977–84), which had the then-titillating premise of two young women and a man sharing an apartment; and Fantasy Island (ABC, 1978–84), which was set on a tropical island where people went to have their (often romantic) dreams fulfilled.

  • three-age system (archaeology)

    hand tool: Geological and archaeological aspects: Thomsen used three categories of materials—stone, bronze, and iron—to represent what he felt had been the ordered succession of technological development. The idea has since been formalized in the designation of a Stone Age, Bronze Age, and Iron Age.

  • Three-Anti campaign (Chinese history)

    China: Reconstruction and consolidation, 1949–52: The Three-Antis campaign targeted communist cadres who had become too close to China’s capitalists. The Five-Antis campaign was aimed at the capitalists themselves and brought them into line on charges of bribery, tax evasion, theft of state property and economic information, and cheating on government contracts.…

  • three-arm protractor (navigation)

    protractor: This instrument, called a three-arm protractor, or station pointer, is composed of a circular scale connected to three arms. The centre arm is fixed, while the outer two are rotatable, capable of being set at any angle relative to the centre one.

  • three-banded armadillo (mammal)

    armadillo: The three-, six-, and nine-banded armadillos are named for the number of movable bands in their armour. Only one species, the nine-banded armadillo (Dasypus novemcinctus), is found in the United States. Its range has expanded into several southern states since it was first observed in Texas…

  • three-body problem (physics)

    Three-body problem, in astronomy, the problem of determining the motion of three celestial bodies moving under no influence other than that of their mutual gravitation. No general solution of this problem (or the more general problem involving more than three bodies) is possible. As practically

  • three-carbon cycle (chemistry)

    bacteria: Autotrophic metabolism: …the reductive pentose phosphate (Calvin) cycle, the reductive tricarboxylic acid cycle, and the acetyl-CoA pathway. The Calvin cycle, elucidated by American biochemist Melvin Calvin, is the most widely distributed of these pathways, operating in plants, algae, photosynthetic bacteria, and most aerobic lithoautotrophic bacteria. The key step in the Calvin

  • three-card poker (card game)

    poker: Three-card poker: Three-card poker is a house-banked stud game in which three cards are dealt facedown to each player and the dealer. Each player makes two initial bets, one bet placed on a centre circle and the other placed on an ante square. The centre…

  • three-centre bond (chemistry)

    borane: Structure and bonding of boranes: This structure involves three-centre bridge bonding, in which one electron pair is shared between three (rather than two) atoms—two boron atoms and one hydrogen atom. (See chemical bonding: Advanced aspects of chemical bonding: Boranes for a discussion of the three-centre bond.) The ability of boron to form such…

  • three-centre, two-electron bond (chemistry)

    chemical bonding: Boranes: …as an example of a three-centre, two-electron bond (a 3c,2e bond, as shown in Figure 19). They regard diborane as three atoms held together by a pair of electrons delocalized over three atoms but are aware that this semilocalized picture is only a part of the true picture.

  • three-colour printing (technology)

    photoengraving: Colourplate production: …colour printing, done with either three or four plates, each using a different colour of ink and overprinting the others, is based on a subtractive system of colours in which intermediate hues are obtained by some combination of two or more of the subtractive, or secondary, colours. The best colour…

  • three-colour process (photography)

    Louis Ducos du Hauron: …in 1869 developed the so-called trichrome process of colour photography, a key 19th-century contribution to photography.

  • three-colour ware (pottery)

    pottery: Provincial and export wares: …tile kilns also manufactured “three-coloured” (sancai) wares, perhaps originally a product of the Cizhou kilns. These were decorated with coloured glazes that were often kept from intermingling by threads of clay (cloisonné technique) or were used in conjunction with the pierced technique (fahua). Others have engraved designs under the…

  • Three-Cornered Hat, The (work by Alarcón)

    Pedro Antonio de Alarcón y Ariza: …sombrero de tres picos (1874; The Three-Cornered Hat).

  • Three-Cornered Hat, The (work by Falla)

    theatre music: Music for ballet: …as a “poème choréographique,” and The Three-cornered Hat (1919) by the Spanish composer Manuel de Falla. Distinctive original scores for ballet continued usually to be the outcome of specific commissions. Composers do not yet normally think in terms of dance (as they do in terms of song), although in Great…

  • Three-Cornered Moon (film by Nugent [1933])

    Elliott Nugent: His first solo directorial effort, Three-Cornered Moon (1933), is considered by some to be the first screwball comedy. It was set during the Depression and centres on spoiled siblings who must find jobs after their mother loses the family fortune; it starred Claudette Colbert and Mary Boland. Nugent’s other early…

  • three-cushion billiards (game)

    billiards: Carom, or French, billiards: …variety of the game called three-cushion billiards, the cue ball must also touch a cushion or cushions three or more times to complete a carom. Scoring a carom also entitles the player to another shot, and his turn, or inning, continues until he misses, when it becomes his opponent’s turn.

  • three-cushion carom (game)

    billiards: Carom, or French, billiards: …variety of the game called three-cushion billiards, the cue ball must also touch a cushion or cushions three or more times to complete a carom. Scoring a carom also entitles the player to another shot, and his turn, or inning, continues until he misses, when it becomes his opponent’s turn.

  • three-day event (equestrian competition)

    Three-day event, equestrian competition, testing the overall abilities of horse and rider in competition at dressage, cross-country and endurance riding, and stadium show jumping. The first day’s event, the dressage competition, tests the horse’s obedience and the rider’s ability. It consists of a

  • three-day fever (pathology)

    Pappataci fever, acute, infectious, febrile disease caused by a phlebovirus (family Bunyaviridae) and producing temporary incapacitation. It is transmitted to humans by the bloodsucking female sand fly (notably Phlebotomus papatasii, P. perniciosus, and P. perfiliewsi) and is prevalent in the moist

  • three-degree blackbody radiation (electromagnetic radiation)

    Cosmic microwave background (CMB), electromagnetic radiation filling the universe that is a residual effect of the big bang 13.8 billion years ago. Because the expanding universe has cooled since this primordial explosion, the background radiation is in the microwave region of the electromagnetic

  • three-dimensional cinematography (motion-picture process)

    3-D, motion-picture process that gives a three-dimensional quality to film images. It is based on the fact that humans perceive depth by viewing with both eyes. In the 3-D process, two cameras or a twin-lensed camera are used for filming, one representing the left eye and the other the right. The

  • three-dimensional printing (manufacturing)

    3D printing, in manufacturing, any of several processes for fabricating three-dimensional objects by layering two-dimensional cross sections sequentially, one on top of another. The process is analogous to the fusing of ink or toner onto paper in a printer (hence the term printing) but is actually

  • three-dimensional random walk (mathematics)

    amorphous solid: Models of atomic scale structures: …a mathematical trajectory called a three-dimensional random walk.

  • three-dimensional space (mathematics)

    mathematics: Linear algebra: …familiar example is that of three-dimensional space. If one picks an origin, then every point in space can be labeled by the line segment (called a vector) joining it to the origin. Matrices appear as ways of representing linear transformations of a vector space—i.e., transformations that preserve sums and multiplication…

  • three-dimensionality (theatre)

    theatre: Development of stage equipment: …culmination of the search for three-dimensionality that had passed through five essential stages since the 18th century. At first, an illusion of depth was achieved by painting perspective scenery on canvas; then the ground plan of the set was rearranged to envelop the actor with the set. The third phase…

  • three-element tube (electronics)

    Audion, elementary form of radio tube developed in 1906 (patented 1907) by Lee De Forest of the United States. It was the first vacuum tube in which a control grid (in the form of a bent wire) was added between the anode plate and the cathode filament. The control grid enabled De Forest to modulate

  • three-field system (agriculture)

    Three-field system, method of agricultural organization introduced in Europe in the Middle Ages and representing a decisive advance in production techniques. In the old two-field system half the land was sown to crop and half left fallow each season; in the three-field system, however, only a third

  • three-fifths compromise (United States history)

    The Founding Fathers and Slavery: …states the right to count three-fifths of their slave population when it came to apportioning the number of a state’s representatives to Congress, thereby enhancing Southern power in the House of Representatives. But they also used this same ratio to determine the federal tax contribution required of each state, thus…

  • three-flowered maple (plant)

    maple: The three-flowered maple (A. triflorum) and the paperbark maple (A. griseum) have tripartite leaves and attractive peeling bark, in the former tannish and in the latter copper brown.

  • three-hinged truss (construction)

    construction: Steel long-span construction: …hinged at each end) and three-hinge (made of two members hinged at each end and at the meeting point at the crown) trussed arches were widely used, the largest examples being two great airship hangars for the U.S. Navy in New Jersey—the first built in 1922 with a span of…

  • three-leaf akebia (plant)

    Akebia: …the fingers on a hand; three-leaf akebia (A. trifoliata) has three leaflets to a leaf. The purplish flowers are unisexual and occur in small clusters, and the oblong purple fruits are edible, though insipid. Both species are twining vines often used for shading and screening on arbors and fences and…

  • three-level laser (physics)

    laser: Energy levels and stimulated emissions: In a three-level laser, the material is first excited to a short-lived high-energy state that spontaneously drops to a somewhat lower-energy state with an unusually long lifetime, called a metastable state. The metastable state is important because it traps and holds the excitation energy, building up a…

  • three-move restriction (checkers)

    checkers: The three-move, or American, restriction is an extension of the two-move to black’s second move, with about 300 prescribed openings. Eleven-man ballot is a less popular method, in which one piece is removed by lot from each side before the start of a game. The original…

  • three-parent baby (medicine)

    Three-parent baby, human offspring produced from the genetic material of one man and two women through the use of assisted reproductive technologies, specifically mitochondrial manipulation (or replacement) technologies and three-person in vitro fertilization (IVF). In general, the reproductive

  • three-part form (music)

    Ternary form, in music, a form consisting of three sections, the third section normally either a literal or a varied repeat of the first. The symmetrical construction of this scheme (aba) provides one of the familiar shapes in Western music; ternary form can be found in music from the Middle Ages

  • Three-Part Inventions (work by Bach)

    invention: …15 three-part sinfonias (often called Three-Part Inventions) for harpsichord (c. 1720) by J.S. Bach, each of which is characterized by the contrapuntal elaboration of a single melodic idea and for which Francesco Bonporti’s Invenzioni for violin and bass (1712) may have served as a model.

  • three-peat (sports)

    Pat Riley: …a trademark on the term three-peat when he was head coach of the Los Angeles Lakers in 1988, even though the team had only two consecutive titles under its belt. That confidence sums up the career and legacy of Riley, one of the most brash, charismatic, and successful figures in…

  • three-phase circuit system (power supply)

    electric motor: Induction motors: …windings are connected to a three-phase electric supply and that a set of three sinusoidal currents of the form shown in the figure flow in the stator windings. This figure shows the effect of these currents in producing a magnetic field across the air gap of the machine for six…

  • three-phase synchronous motor

    electric motor: Synchronous motors: Three-phase synchronous motors find their major application in industrial situations where there is a large, reasonably steady mechanical load, usually in excess of 300 kilowatts, and where the ability to operate at leading power factor is of value. Below this power level, synchronous machines are…

  • three-phase system (power supply)

    electric motor: Induction motors: …windings are connected to a three-phase electric supply and that a set of three sinusoidal currents of the form shown in the figure flow in the stator windings. This figure shows the effect of these currents in producing a magnetic field across the air gap of the machine for six…

  • three-phase system of windings (electrical engineering)

    electric generator: Phases: This is known as a three-phase system of windings. The waveforms for the three windings, or phases, are shown in Figure 4.

  • three-plated armadillo (mammal)

    armadillo: The three-, six-, and nine-banded armadillos are named for the number of movable bands in their armour. Only one species, the nine-banded armadillo (Dasypus novemcinctus), is found in the United States. Its range has expanded into several southern states since it was first observed in Texas…

  • three-point suspension

    gasoline engine: Engine construction and operation: Three-point suspension is used in such engines; that is to say, projections on each side of the bell housing fit into the vehicle side-frame members, and a central tubular extension at the centre of the front end of the cylinder block attaches to the front…

  • three-second rule (sports)

    basketball: U.S. high school and college basketball: …more than three seconds; the three-second rule later applied to any attacking player in the foul lane. In 1937–38 a new rule forbade any player from touching the ball when it was in the basket or on its rim (basket interference), and in 1944–45 it became illegal for any defending…

  • three-seeded mercury (plant)

    copperleaf: …annuals and perennials, known as three-seeded mercury, are native in the southern United States. Another ornamental species, the chenille plant, or red hot cattail (A. hispida), reaches a height of 3 m and is grown for its long, taillike, pendent flower spikes, rust red in colour. It is native to…

Your preference has been recorded
Check out Britannica's new site for parents!
Subscribe Today!
港台一级毛片免费观看