Zhengtong was the reign name (nianhao) of the sixth and eighth emperor of the Ming dynasty (1368–1644), whose court was dominated by eunuchs who weakened the dynasty by a disastrous war with Mongol tribes. In 1435 Zhu Qizhen ascended the throne and became known as the Zhengtong emperor, with his

Belgian literature: After World War I: …the manifesto of the review Ruimte (1920–21; “Space”): ethics must take priority over aesthetics, and the art of the community over that of the individual. Expressionism was most apparent in lyrical poetry and drama. Wies Moens’s early poetry reflected this humanitarian trend, whereas Gaston Burssens remained less pathetic and more…

Roberto Calasso: …publication of his second novel, La rovina di Kasch (1983; The Ruin of Kasch). It is a chaotic text built on an ancient African legend of the kingdom of Kasch and its decline after it abandons its traditional ritual sacrifice of the king. The second volume, The Marriage of Cadmus…

Ukraine: The Ruin: Khmelnytsky’s successor, Hetman Ivan Vyhovsky, broke with Moscow and in 1658 concluded the new Treaty of Hadyach with Poland. By its terms, central Ukraine (attempts to include Volhynia and Galicia were unsuccessful) was to constitute—under the hetman and a ruling elite of nobles…

Defense Advanced Research Projects Agency: Organization: For example, DARPA’s third director, Jack Ruina (1961–63), recognized that the problem of command, control, and communication of the nation’s military forces was one that computer technology might affect. Thus, in 1962 Ruina oversaw the creation of the Information Processing Techniques Office (IPTO) under the direction of Joseph Licklider, a…

Japanese music: Composers in Western styles: …is Kojo no tsuki (The Ruined Castle), written in 1901 by Taki Rentarō after his training in Germany. In its piano-accompanied version it recalls the style of Franz Schubert, but as sung in the streets it sounds Japanese. Yamada Kōsaku was training in Germany when the Meiji era ended…

William Wordsworth: The Recluse and The Prelude: …one of Wordsworth’s greatest poems, “The Ruined Cottage,” composed in superb blank verse in 1797. This bleak narrative records the slow, pitiful decline of a woman whose husband had gone off to the army and never returned. For later versions of this poem, Wordsworth added a reconciling conclusion, but the…

architecture: Distinction between the history and theory of architecture: …distinction first became manifest in Les Ruines des plus beaux monuments de la Grèce (“The Ruins of the Most Beautiful Monuments of Greece”), written in 1758 by a French architecture student, Julien-David LeRoy. Faced with the problem of discussing Athenian buildings constructed in the time of Vitruvius, he decided to…

Constantin-François de Chasseboeuf, count de Volney: …les révolutions des empires (The Ruins: or a Survey of the Revolutions of Empires). Seeking the origins of civil society and the causes for its dissolution, he saw revolution as a result of the abandoning of the principles of natural law and religion, equality, and liberty.

Port Gibson: The ruins of Windsor (23 Corinthian columns) are all that remain of what was considered to be the state’s most extravagant Greek Revival mansion (1859–61; burned 1890). Grand Gulf State Park (8 miles [13 km] northwest), occupying the town site of Grand Gulf on the banks…

Constantin-François de Chasseboeuf, count de Volney: …les révolutions des empires (The Ruins: or a Survey of the Revolutions of Empires). Seeking the origins of civil society and the causes for its dissolution, he saw revolution as a result of the abandoning of the principles of natural law and religion, equality, and liberty.

Jacob van Ruisdael was a Baroque artist often regarded as one of the greatest Dutch landscape painters. His subjects and style varied throughout his career, leading to a dynamic oeuvre that comprises around 700 paintings, 100 drawings, and several etchings. Ruisdael was probably the pupil of his

Jacob van Ruisdael was a Baroque artist often regarded as one of the greatest Dutch landscape painters. His subjects and style varied throughout his career, leading to a dynamic oeuvre that comprises around 700 paintings, 100 drawings, and several etchings. Ruisdael was probably the pupil of his

mimicry: The importance of the signal receiver: …experiments of the Dutch biologist L. de Ruiter with stick caterpillars, which, by virtue of their close resemblance to twigs, are protected against insect-eating birds. As soon as the number of “twigs” becomes too large, however, the bird develops an interest in them, attacks some real twigs, and also finds…

Madeira Islands: …rises in the centre to Ruivo Peak (6,106 feet [1,861 metres] above sea level). The greater part of the interior above 3,000 feet (900 metres) is uninhabited and uncultivated; communities of scattered huts are usually built either at the mouths of ravines or upon slopes that descend from the mountains…

Madeira Islands: …rises in the centre to Ruivo Peak (6,106 feet [1,861 metres] above sea level). The greater part of the interior above 3,000 feet (900 metres) is uninhabited and uncultivated; communities of scattered huts are usually built either at the mouths of ravines or upon slopes that descend from the mountains…

Mexico: Prosperity and repression under the PRI: …in Mexico doubled when President Adolfo Ruiz Cortines enfranchised women with a constitutional amendment in 1953, though they did not actually vote until 1958. Electoral reform laws broadened the political base, but opposition parties grew slowly as the PRI dominated the political power mechanisms of the state. As late as…

Juan Ruiz de Alarcón was a Mexican-born Spanish dramatist of the colonial era who was the principal dramatist of early 17th-century Spain after Lope de Vega and Tirso de Molina. Born into a prosperous family in Mexico, Ruiz de Alarcón went to Spain in 1600 to study at the University of Salamanca,

George Santayana was a Spanish-American philosopher, poet, and humanist who made important contributions to aesthetics, speculative philosophy, and literary criticism. From 1912, he resided in Europe, chiefly in France and Italy. George Santayana was born in Madrid of Spanish parents. He never

Francisco Pizarro: Discovery and conquest of Peru: Bartolomé Ruiz, who joined Pizarro and Almagro for the latter, sailed ahead and crossed the Equator, encountering a trading raft carrying embroidered fabrics and precious metals from Peru. He returned and led the expedition as far south as Ecuador. Pizarro and others remained on coastal…

Evander Holyfield: …August 12, 2000, Holyfield defeated John Ruiz to win the vacant WBA heavyweight title but lost to Ruiz in a rematch in 2001. In December of that year Holyfield and Ruiz met again; the bout ended as a draw, allowing Ruiz to keep the title.

Azorín was a novelist, essayist, and the foremost Spanish literary critic of his day. He was one of a group of writers who were engaged at the turn of the 20th century in a concerted attempt to revitalize Spanish life and letters. Azorín was the first to identify this group as the Generation of

Juan Ruiz was a poet and cleric whose masterpiece, the Libro de buen amor (1330; expanded in 1343; The Book of Good Love) is perhaps the most important long poem in the literature of medieval Spain. Almost nothing is known of Ruiz’s life apart from the information he gives in the Libro: he was

Mount Ruiz, volcano in the Cordillera Central of the Andes, west-central Colombia, noted for its two eruptions on November 13, 1985, which were among the most destructive in history. Located about 80 miles (130 km) west of Bogotá, Mount Ruiz is the northernmost of some two dozen active volcanoes

Pablo Picasso was a Spanish expatriate painter, sculptor, printmaker, ceramicist, and stage designer. He was one of the greatest and most-influential artists of the 20th century and the creator (with Georges Braque) of Cubism. (For more information on Picasso’s name see Researcher’s Note: Picasso’s

Ruizong was the temple name (miaohao) of the sixth emperor of the Tang dynasty of China. He was placed on the throne by his mother, the future empress Wuhou, in 684, before she decided to set him aside and rule the country herself in 690. This was the first such usurpation in Chinese history.

Confucianism: The historical context: …by Chinese historians as the rujia, “scholarly tradition,” that had its origins two millennia previously, when the legendary sages Yao and Shun created a civilized world through moral persuasion.

Muriel Rukeyser was an American poet whose work focused on social and political problems. Rukeyser attended private schools and in 1930–32 was a student at Vassar College. During that time she contributed poems to Poetry magazine and other periodicals. She worked on the staff of the Student Review

roc, gigantic legendary bird, said to carry off elephants and other large beasts for food. It is mentioned in the famous collection of Arabic tales, The Thousand and One Nights, and by the Venetian traveler Marco Polo, who referred to it in describing Madagascar and other islands off the coast of

Ukraine: Political process: The centre-right, nationalistic Popular Movement of Ukraine, or Rukh, founded in 1989, was instrumental in the campaign for Ukrainian independence but afterward lost strength. The CPU—re-formed in 1993 after a 1991 ban on the Soviet-era CPU was lifted—retains support, mainly in the industrialized and Russophone reaches of eastern…

roc, gigantic legendary bird, said to carry off elephants and other large beasts for food. It is mentioned in the famous collection of Arabic tales, The Thousand and One Nights, and by the Venetian traveler Marco Polo, who referred to it in describing Madagascar and other islands off the coast of

Saparmurad Niyazov: Presidency: …the Turkmen people, the semi-autobiographical Rukhnama (“The Book of the Soul”). The work became the basis of education at all levels, even forming a part of the driver’s exams.

Ruki River, river in northwestern Democratic Republic of the Congo, central Africa. It is formed by the union of the Momboyo and Busira rivers above Ingende. The river flows 100 miles (160 km) west-northwest to the Congo River at Mbandaka and is navigable throughout its

Buyid dynasty: …seized Eṣfahān and Fārs, while Ḥasan and Aḥmad took Jibāl, Khūzestān, and Kermān (935–936). In December 945 Aḥmad occupied the Abbasid capital of Baghdad as amīr al-umarāʾ (commander in chief) and, reducing the Sunni caliphs to puppet status, established Buyid rule (January 946). Thereafter the brothers were known by their…

Anatolia: Seljuq expansion: …was his son Rukn al-Dīn Masʿūd I. He seized Konya in 1116 with the help of his father-in-law Amīr Ghāzī Gümüshtegin Dānishmend, who had come to power after the death of his father Malik Dānishmend Ghāzī. During his nearly 40-year rule Rukn al-Dīn Masʿūd held back the Byzantines while patiently…

Anatolia: Division and decline: …his younger brothers Rukn al-Dīn Qïlïch Arslān IV (1248–65) and ʿAlāʾ al-Dīn Kay-Qubādh II (1249–57) were installed east of the Kızıl. From this point onward the Seljuq sultans were essentially figureheads, while real power remained in the hands of administrators such as Shams al-Dīn Iṣfahānī (1246–49), Jalāl al-Dīn Qaraṭāy (1249–54),…

Lake Rukwa, lake, southwestern Tanzania, Eastern Africa. It is part of an inland drainage system in the Rukwa Trough, which probably at one time belonged to the East African Rift Valley system of which Lake Nyasa is a part. The lake covers an area of about 1,000 square miles (2,600 square km) and

rule, in political science, a principle to which action should conform or a widely accepted standard of behaviour. The American political scientist Elinor Ostrom, a cowinner of the 2009 Nobel Prize in Economic Science, defined rules as prescriptions that define which actions are required,

hand tool: Rules: The unit of linear measure in the ancient world, the cubit, was simply the length from the elbow to the extremity of the middle finger. Although the cubit gave an order of magnitude, it was hardly a standard, and it varied widely in different…

Jeremy Taylor: …of Holy Living (1650) and The Rule and Exercises of Holy Dying (1651). These devotional handbooks were written to help members of the Church of England who were deprived of a regular ministry during the disturbances of the Commonwealth. The books’ beauty and spiritual insight made them popular with all…

Jeremy Taylor: …had written his enduring works: The Rule and Exercises of Holy Living (1650) and The Rule and Exercises of Holy Dying (1651). These devotional handbooks were written to help members of the Church of England who were deprived of a regular ministry during the disturbances of the Commonwealth. The books’…

ancient Egypt: Society, religion, and culture: …fiscal regulations such as the Rule-Book of the Emperors’ Special Account. The Rule-Book prescribed conditions under which people of different status might marry, for instance, or bequeath property, and it fixed fines, confiscations, and other penalties for transgression. When an edict of the emperor Caracalla conferred Roman citizenship on practically…

democracy: Aristotle: Thus “rule by one” is monarchy in its ideal form and tyranny in its perverted form (see tyrant); “rule by the few” is aristocracy in its ideal form and oligarchy in its perverted form; and “rule by the many” is “polity” in its ideal form and…

democracy: Aristotle: …perverted form (see tyrant); “rule by the few” is aristocracy in its ideal form and oligarchy in its perverted form; and “rule by the many” is “polity” in its ideal form and democracy in its perverted form.

democracy: Aristotle: …its perverted form; and “rule by the many” is “polity” in its ideal form and democracy in its perverted form.

rule of law, the mechanism, process, institution, practice, or norm that supports the equality of all citizens before the law, secures a nonarbitrary form of government, and more generally prevents the arbitrary use of power. Arbitrariness is typical of various forms of despotism, absolutism,

formal logic: Alternative systems of modal logic: …theorem so is Lα (the rule of necessitation). The intuitive rationale of this rule is that, in a sound axiomatic system, it is expected that every instance of a theorem α will be not merely true but necessarily true—and in that case every instance of Lα will be true.

burn: The skin area on each arm is roughly 9 percent of the body total, as is the skin covering the head and neck. The percentage on each leg is 18, and the percentage on the trunk is 18 on the front and 18 on the…

Henry Adams: In two speculative essays, “Rule of Phase Applied to History” (1909) and Letter to American Teachers of History (1910), Adams calculated the demise of the world. Basing his theory on a scientific law, the dissipation of energy, he described civilization as having retrogressed through four stages: the religious, mechanical,…

formal logic: Logical manipulations in LPC: …be called the rule of quantifier rearrangement.

formal logic: Logical manipulations in LPC: …be called the rule of quantifier transformation. It reflects, in a generalized form, the intuitive connections between some and every that were noted above.

formal logic: Axiomatization of LPC: Rules of uniform substitution for predicate calculi, though formulable, are mostly very complicated, and, to avoid the necessity for these rules, axioms for these systems are therefore usually given by axiom schemata in the sense explained earlier (see above Axiomatization of PC). Given the formation…

formal logic: Logical manipulations in LPC: Because the rule of substitution of equivalents can be shown to hold in LPC, it follows that (∃x) may be replaced anywhere in a wff by ∼(∀x)∼, or (∀x) by ∼(∃x)∼, and the resulting wff will be equivalent to the original. Similarly, because the law of double…

Russell Banks: …Hereafter (1991; film 1997), and Rule of the Bone (1995). The last of these, with its clear-sighted 14-year-old protagonist, is reminiscent of J.D. Salinger’s The Catcher in the Rye. In 1998 Banks published Cloudsplitter, the fictional response of John Brown’s unhappy son to the actions of his father and the…

biblical literature: Books of ordinances: …the Manual of Discipline, the Rule of the Congregation, and the manual of Benedictions. The Manual of Discipline is the rule (or statement of regulations) of the Essene community; the most important part of this work is a treatise about the special theology of the sect. The Rule of the…

formal logic: Axiomatization of LPC: Rules of uniform substitution for predicate calculi, though formulable, are mostly very complicated, and, to avoid the necessity for these rules, axioms for these systems are therefore usually given by axiom schemata in the sense explained earlier (see above Axiomatization of PC). Given the formation…

formal logic: Axiomatization of LPC: The axiom schemata call for some explanation and comment. By an LPC substitution-instance of a wff of PC is meant any result of uniformly replacing every propositional variable in that wff by a wff of LPC. Thus, one LPC substitution-instance of (p ⊃…

ethics: Varieties of consequentialism: …best consequences follow from a rule that permitted stealing only in those special cases in which it is clear that stealing will have better consequences than not stealing? But then what would be the difference between “act-consequentialism” and “rule-consequentialism”? In Forms and Limits of Utilitarianism (1965), David Lyons argued that…

St. Francis of Assisi: The Franciscan rule of St. Francis of Assisi: …of the rule—known as the Regula secunda (“Second Rule”), or Regula bullata (“Rule with a Bull”)—to Pope Honorius III, who approved it in the bull Solet annuere (“Accustomed to Grant”) on November 29, 1223. As the official rule of the order, Regula bullata enjoined the friars “to observe the holy…

St. Francis of Assisi: The Franciscan rule of St. Francis of Assisi: …and more detailed rule (Regula prima, “First Rule,” or Regula non bullata, “Rule Without a Bull”), which reasserted devotion to poverty and the apostolic life and introduced greater institutional structure but was never officially sanctioned by the pope. He also appointed Peter Catanii as his vicar to handle the…

Thomas Arne: …a Masque (notable for “Rule, Britannia”) and The Judgment of Paris, both produced at the Prince of Wales’s residence at Cliveden in 1740. Arne’s settings of Shakespeare’s songs, written for revivals of As You Like It, Twelfth Night, and The Merchant of Venice in 1740–41, provide the culmination of…

Jane Rule was an American-born Canadian novelist, essayist, and short-story writer known for her exploration of lesbian themes. Upon graduation from Mills College, Oakland, Calif., in 1952, Rule studied briefly at University College, London, and Stanford University. She taught English and biology

Jane Rule was an American-born Canadian novelist, essayist, and short-story writer known for her exploration of lesbian themes. Upon graduation from Mills College, Oakland, Calif., in 1952, Rule studied briefly at University College, London, and Stanford University. She taught English and biology

St. Benedict: Rule of St. Benedict: …among all the monastic and religious rules of the Middle Ages. Benedict’s advice to the abbot and to the cellarer, and his instructions on humility, silence, and obedience have become part of the spiritual treasury of the church, from which not only monastic bodies but also legislators of various institutions…

cognitive science: Approaches: …most important approaches are: (1) rule-based models based on symbol processing, (2) connectionist models based on neural networks, and (3) theoretical neuroscience, which is in part an attempt to integrate aspects of the other two approaches in a neurologically realistic account of brain activity.

cognitive science: Approaches: …most important approaches are: (1) rule-based models based on symbol processing, (2) connectionist models based on neural networks, and (3) theoretical neuroscience, which is in part an attempt to integrate aspects of the other two approaches in a neurologically realistic account of brain activity.

hand tool: Rules: The unit of linear measure in the ancient world, the cubit, was simply the length from the elbow to the extremity of the middle finger. Although the cubit gave an order of magnitude, it was hardly a standard, and it varied widely in different…

Dos Pilas: …king—as yet known only as Ruler 2 (reigned c. 698–725). Further work in 2001 and 2002 exposed glyphs on a stairway that have resulted in a major revision of scholarly opinion regarding the decline of Mayan civilization about ad 900. The writing gives evidence that Dos Pilas was founded about…

sacred kingship: The king as the centre of ruler cults: Although a pharaonic cult occasionally existed in Egypt, the ruler cult differs entirely from sacred kingship because the former came into being from political impulses. The ruler cult, generally developed in a country or empire with many peoples and many religions, was one…

Dos Pilas: …of the man who became Ruler I, and marks the several ceremonial events of his life. Glyphs on other portions of the Dos Pilas structure note an attack on the city by Calakmul, another centre of power, and seem to indicate family infighting that turned fatal. These discoveries have led…

mathematics: The Elements: …is the study of geometric constructions. Euclid, like geometers in the generation before him, divided mathematical propositions into two kinds: “theorems” and “problems.” A theorem makes the claim that all terms of a certain description have a specified property; a problem seeks the construction of a term that is to…

United States: The legislative branch: The Rules Committee, for example, has significant power to determine which bills will be brought to the floor of the House for consideration and whether amendments will be allowed on a bill when it is debated by the entire House.

Warren Beatty: …to the big screen with Rules Don’t Apply (2016), about the relationship between an aspiring actress and her driver, both of whom work for Howard Hughes. In addition to starring as the eccentric millionaire, Beatty also wrote and directed the romance.

procedural law: English common law: This belief led to the Rules Enabling Act of 1934, which authorized the Supreme Court of the United States to adopt (subject to congressional veto) Rules of Civil Procedure for the federal district courts, though some matters, such as subject-matter jurisdiction, remained governed by acts of Congress. There were similar…

Ethan Hawke: Rules for a Knight (2015) is an epistolary parable.

Saul Alinsky: …jail; his other books were Rules for Radicals (1971) and a biography of John L. Lewis (1949). He continued his organizing activities up to the time of his death.

René Descartes: Early life and education: …Discourse on Method (1637) and Rules for the Direction of the Mind (written by 1628 but not published until 1701), consists of four rules: (1) accept nothing as true that is not self-evident, (2) divide problems into their simplest parts, (3) solve problems by proceeding from simple to complex, and…

Faye Dunaway: …Yards (2000), the dark comedy The Rules of Attraction (2002), and the drama The Case for Christ (2017).

William Friedkin: Friedkin’s later films included Rules of Engagement (2000), a military thriller with a cast headlined by Samuel L. Jackson, Tommy Lee Jones, Guy Pearce, and Ben Kingsley; The Hunted (2003), an effective crime drama with Jones playing a police detective on the trail of a serial killer (Benicio Del…

rules of engagement (ROE), military directives meant to describe the circumstances under which ground, naval, and air forces will enter into and continue combat with opposing forces. Formally, rules of engagement refer to the orders issued by a competent military authority that delineate when,

Alice Hoffman: …series that included the prequels The Rules of Magic (2017) and Magic Lessons (2020) and the sequel The Book of Magic (2021).

parliamentary procedure, the generally accepted rules, precedents, and practices commonly employed in the governance of deliberative assemblies. Such rules are intended to maintain decorum, to ascertain the will of the majority, to preserve the rights of the minority, and to facilitate the orderly

rules of origin, in international trade, legal standards supporting the differential treatment of some products on the basis of their country or region of origin. Rules of origin are used to make more precise any aspect of trade law or trade policy that treats goods differently depending upon their

Émile Durkheim: Fame and the effect of the Dreyfus affair: …de la méthode sociologique (1895; The Rules of Sociological Method), brought Durkheim fame and influence. But the new science of sociology frightened timid souls and conservative philosophers, and he had to endure many attacks. In addition, the Dreyfus affair—resulting from the false charge against a Jewish officer, Alfred Dreyfus, of…

Jean Renoir: Early years: …La Règle du jeu (1939; The Rules of the Game), his masterpiece. Cut and fragmented by the distributors, this classic film was also regarded as a failure until it was shown in 1965 in its original form, which revealed its astonishing beauty.

Lee Kernaghan: …1959 (1995), Hat Town (1998), Rules of the Road (2001), Electric Rodeo (2002), The New Bush (2006), Spirit of the Anzacs (2015), and Backroad Nation (2019)—also earned numerous honours and enthusiastic praise from critics, fans, and the music industry. In 2004 Kernaghan was awarded a Medal of the Order of…

road: Legal control: …and pedestrians, known as the rules of the road; these dictate which side of the road to use, maximum speeds, right-of-way, and turning requirements. Third are those regulations that apply to limited road sections, indicating speed limits, one-way operations, and turning controls.

Finn E. Kydland: In their seminal article “Rules Rather than Discretion: The Inconsistency of Optimal Plans” (1977), the two economists demonstrated how a declared commitment to a low inflation rate by policy makers might create expectations of low inflation and unemployment rates. If this monetary policy is then changed and interest rates…

Juan Rulfo was a Mexican writer who is considered one of the finest novelists and short-story creators in 20th-century Latin America, though his production—consisting essentially of two books—was very small. Because of the themes of his fiction, he is often seen as the last of the novelists of the

Claude-Carloman de Rulhière was a French writer and historian of Russia and Poland whose histories favoured a return to Franco-Prussian friendship and alliance at the expense of Russia. The son of a nobleman and government official, Rulhière joined the military after his graduation from the college

Gaetano Mosca: …Parliamentary Government”) was followed by The Ruling Class (originally published in Italian, 1896). In these and other writings, but especially in The Ruling Class, he asserted—contrary to theories of majority rule—that societies are necessarily governed by minorities: by military, priestly, or hereditary oligarchies or by aristocracies of wealth or of…

Peter O’Toole: The Ruling Class (1972), a controversial black comedy that became a cult classic, cast O’Toole as a schizophrenic English earl with a messiah complex. Personal problems contributed to a decline in his popularity during the 1970s, but he made a strong comeback in the early…

diffraction grating: …extremely precise machine called a ruling engine, which uses a diamond-tipped tool to press thousands of very fine, shallow lines onto a highly polished surface. Newer techniques rule the lines photographically, using laser interferometry.

railroad: The Baltimore and Ohio Railroad: …be known as the “ruling grade”—that is, the amount of locomotive power required for the transit of a line was determined by its steepest grade. Robert Stephenson had thought 1 percent was the steepest grade a locomotive could surmount. At the top of the climb over the Allegheny Front…

Gaetano Mosca: …elaborated the concept of a ruling minority (classe politica) present in all societies. His theory seemed to have its greatest influence on apologists for fascism who misunderstood his view. His work, along with that of Vilfredo Pareto and Robert Michels, inspired subsequent studies by political scientists of the process of…

archosaur, (subclass Archosauria), any of various reptiles, including all crocodiles and birds and all descendants of their most recent common ancestor. Archosaurs (“ruling reptiles”) are members of a subclass that also includes the dinosaurs, the pterosaurs (flying reptiles), and several groups of

Wu Jingzi: 1750; The Scholars).

Yap Islands: …of Gagil-Tamil, Maap, Rumung, and Yap (also called Rull, Uap, or Yapa), within a coral reef.

Rum, bare mountainous island of the Inner Hebrides group, Highlands council area, Scot. The island measures about 8.5 by 8 miles (14 by 13 km) and contains four peaks over 2,000 feet (600 metres), the highest being Askival (2,659 feet [810 metres]). Rum was acquired in 1957 by the National

rummy, any of a family of card games whose many variants make it one of the best-known and most widely played card games. Rummy games are based on a simple mechanism and a simple object of play. The mechanism is to draw cards from a stockpile and discard unwanted cards from the hand to a wastepile,